Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
trinh va » trinh van, trinh vat, trinh ve
cong tac » cong ty
than cau » toan cau, phan cau, than cap
toan ban » van ban
cho chu » cho thue

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc thieu) or (cho chu)) xanh - hanh trinh va nhung cong tac ((than cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc thieu) OR (cho chu)) xanh - hanh trinh va nhung cong tac ((than cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ((hoc thieu) or (cho chu)) xanh - hanh trinh va nhung cong tac ((than cau) or (toan ban))*.