Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
tuan phong » thuan phong, tran phong, luan phong
lieu tinh » trieu tinh, diep tinh
bien tinh » bi tinh, yen tinh, diep tinh
cong tan » cong tac, cong thanh, cong ty
cong san » cong tac
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: hoc ((lieu tinh) OR (bien tinh)) - thanh trung tuan phong ((cong tan) or (cong san)) phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((lieu tinh) OR (bien tinh)) - thanh trung tuan phong ((cong tan) OR (cong san)) phan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((lieu tinh) OR (bien tinh)) - thanh trung tuan phong ((cong tan) or (cong san)) phan dau".
• Adding a wildcard symbol may retrieve word variants: hoc ((lieu tinh) OR (bien tinh)) - thanh trung tuan phong ((cong tan) or (cong san)) phan dau*.