Perhaps you should try some spelling variations:
thanh trung » thanh tung
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
tuan thong » toan thong, tuan phong, xuan thong
tran thong » toan thong, tran hong, tran trong
cong dan » cong san, cong tan, huong dan
than cau » toan cau, phan cau, than cap
phan dau » phan tu, hang dau

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

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