Perhaps you should try some spelling variations:
thanh trung » thanh tung
cong thanh » dong thanh, cong trinh, truong thanh
trung cap » truong cao, trung tam
ho chieu » theo chieu, hoc thieu, doi chieu
doc hieu » toc thieu, hoc thieu, hoc hien
cap dung » ap dung, cao dung, chan dung
cong tan » cong tac, cong san, cong ty
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: ((ho chieu) or (doc hieu)) xanh - thanh trung cap dung ((cong tan) or (cong thanh)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (doc hieu)) xanh - thanh trung cap dung ((cong tan) OR (cong thanh)) toan tap.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (doc hieu)) xanh - thanh trung cap dung ((cong tan) or (cong thanh)) toan tap*.