https://support.mozilla.org/en-US/kb/update-firefox-latest-version '''46.0.1''' Many site issues can be caused by corrupt cookies or cache. * Clear the Cache and * Remove Cookies<br> '''''Warning ! ! '' This will log you out of sites you're logged in to.''' Type '''about:preferences'''<Enter> in the address bar. * '''Cookies;''' Select '''Privacy.''' Under '''History,''' select Firefox will '''Use Custom Settings.''' Press the button on the right side called '''Show Cookies.''' Use the search bar to look for the site. Note; There may be more than one entry. Remove '''All''' of them. * '''Cache;''' Select '''Advanced > Network.''' Across from '''Cached Web Content,''' Press '''Clear Now.''' If there is still a problem, '''[https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode Start Firefox in Safe Mode]''' {web link} A small dialog should appear. Click '''Start In Safe Mode''' (not Refresh). While you are in safe mode; Type '''about:preferences#advanced'''<Enter> in the address bar. Under '''Advanced,''' Select '''General.''' Look for and turn off '''Use Hardware Acceleration'''. Poke around safe websites. Are there any problems? Then restart.

Try using a + instead of AND in your query. You also can quote phrases so they are searched together. [https://support.mozilla.org/search/advanced?q=%22microsoft+word%22+%2B+drag+%2B+drop&num_voted=0&num_votes=&asked_by=&answered_by=&q_tags=&product=firefox&created=0&created_date=&updated=0&updated_date=&sortby=0&a=1&w=2 "microsoft word" + drag + drop]

See also: *https://support.mozilla.org/kb/using-advanced-search