Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thi chieu » thi chien, thi hieu, theo chieu
hoc thieu » toc thieu, hoc hien
hanh dung » thanh dung, hanh dong, manh dung
cua nhung » va nhung
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 cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((thi chieu) or (hoc thieu)) xanh - ((hanh dung) or (anh dung)) cua nhung cong tap toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thi chieu) OR (hoc thieu)) xanh - ((hanh dung) OR (anh dung)) cua nhung cong tap toan cau.
• Adding a wildcard symbol may retrieve word variants: ((thi chieu) or (hoc thieu)) xanh - ((hanh dung) or (anh dung)) cua nhung cong tap toan cau*.