Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh huong
thanh tung » thanh cong
hieu tinh » chieu tinh, lieu tinh, kieu tinh
dang cong » dung cong
doc hieu » toc thieu, hoc thieu, hoc hien
cua dang » cua cong, cua ban
cong tac » cong ty
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu tinh - ((thanh truong) or (thanh tung)) cua dang cong tac ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu tinh - ((thanh truong) OR (thanh tung)) cua dang cong tac ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: doc hieu tinh - ((thanh truong) or (thanh tung)) cua dang cong tac ((toan cau) or (toan tap))*.