Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
tong luan » tang luan, dung luan
hang luan » tang luan, dung luan
tan thanh » tran thanh, tang thanh, toan thanh
thanh cap » thanh lap, hanh cap, than cap
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh

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) or (toc thieu)) sang - thanh ((tong luan) OR (hang luan)) nhung cong tan thanh cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (toc thieu)) sang - thanh ((tong luan) OR (hang luan)) nhung cong tan thanh cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (toc thieu)) sang - thanh ((tong luan) OR (hang luan)) nhung cong tan thanh cap".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (toc thieu)) sang - thanh ((tong luan) OR (hang luan)) nhung cong tan thanh cap*.