Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
nhieu tang » chieu sang, hieu lang, nhiet nang
trung hang » trung thang, trung hung, trung tang
cong tan » cong tac, cong san, cong thanh
than cau » phan cau, than cap, thanh chau
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu xanh) or (nhieu tang)) - thanh trung hang thuong cong tan ((than cau) OR (toan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (nhieu tang)) - thanh trung hang thuong cong tan ((than cau) OR (toan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu xanh) or (nhieu tang)) - thanh trung hang thuong cong tan ((than cau) OR (toan cau))".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (nhieu tang)) - thanh trung hang thuong cong tan ((than cau) OR (toan cau))*.