Perhaps you should try some spelling variations:
cong thanh » dong thanh, cong trinh, cong tan
lang trong » dung trong, cong trong, dong trong
tieu xanh » tieu danh, chieu xanh, dieu hanh
trong van » trong cac
van hung » van dung, manh hung, van duong
cong tac » cong ty
than cau » toan cau, phan cau, than cap

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 - lang trong van hung ((cong thanh) or (cong tac)) than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu xanh - lang trong van hung ((cong thanh) OR (cong tac)) than cau*.