Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, truong thanh
tieu xanh » tieu danh, chieu xanh, dieu hanh
hanh dung » thanh dung, anh dung, hanh dong
cua nhung » va nhung
dung cua » dung luan, dung cho
cong tan » cong tac, cong san, cong ty
hang dau » hang va, hang tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu xanh - hanh dung cua nhung ((cong tan) or (cong thanh)) hang dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - hanh dung cua nhung ((cong tan) OR (cong thanh)) hang dau.
• Adding a wildcard symbol may retrieve word variants: theo tieu xanh - hanh dung cua nhung ((cong tan) or (cong thanh)) hang dau*.