Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, theo chu, thi chieu
trung tan » trung tuan, trung tran, trung tang
dung cong » dung trong
tranh ban » trinh ban, tranh hang, tranh luan
ho chieu » hoc thieu, doi chieu, mot chieu
tan dung » tran dung, tin dung, van dung
cong tan » cong tac, cong san, cong thanh
tran ban » tran van, toan ban, tran bai

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 (theo chieu)) xanh - thanh trung tan dung cong tan ((tran ban) OR (tranh ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) xanh - thanh trung tan dung cong tan ((tran ban) OR (tranh ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chieu)) xanh - thanh trung tan dung cong tan ((tran ban) OR (tranh ban))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chieu)) xanh - thanh trung tan dung cong tan ((tran ban) OR (tranh ban))*.