Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
dong thanh » truong thanh
hanh dung » thanh dung, anh dung, hanh dong
cua thong » cua thuong, cua khong, cua tong
ho chieu » theo chieu, hoc thieu, doi chieu
dung cua » dung luan, dung cho
cong tan » cong tac, cong san, cong thanh
than cao » toan cao, thai cao, 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: ho chieu tinh - hanh dung cua thong ((cong tan) or (dong thanh)) than cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - hanh dung cua thong ((cong tan) OR (dong thanh)) than cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - hanh dung cua thong ((cong tan) or (dong thanh)) than cao*.