Perhaps you should try some spelling variations:
dang cong » dung cong
theo yeu » theo tieu, thiet yeu, theo chu
chao chu » cho chu, cua chu, cao cho
anh dung » anh dong, anh huong, sach dung
cong tap » cuong tap, cong tac, cong tan
tap toan » tap doan, tap quan, bai toan
toan cao » toan ban, toan tap
va dang » van dang, va nang, va lang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo yeu) or (chao chu)) sang - anh dung va dang cong tap toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo yeu) OR (chao chu)) sang - anh dung va dang cong tap toan cao.
• Adding a wildcard symbol may retrieve word variants: ((theo yeu) or (chao chu)) sang - anh dung va dang cong tap toan cao*.