Perhaps you should try some spelling variations:
theo trieu » theo tieu, thep tieu
theo chieu » theo tieu, ho chieu, theo chu
thanh tung » thanh cong
tuan chong » tuan phong, thuan phong, tuan duong
san thanh » ban thanh, van thanh, son thanh
thanh cau » thanh chau, thanh mau, nhanh cau
cong san » cong tac
toan » tran

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

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