Perhaps you should try some spelling variations:
theo chieu » ho chieu, theo chu, thi chieu
ganh nang » nganh nong, van nang, sach nang
luan hanh » luan thanh, luan han, luan danh
hanh cong » thanh cong, hang cong, hanh dong
anh nang » anh bang, anh dang, anh sang
cong tac » cong ty
tac toan » tap toan, tam toan, hach 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: ((theo chieu) or (theo tieu)) xanh - ((anh nang) or (ganh nang)) luan hanh cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo tieu)) xanh - ((anh nang) OR (ganh nang)) luan hanh cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo tieu)) xanh - ((anh nang) or (ganh nang)) luan hanh cong tac toan cau*.