Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
tran thanh » ban thanh, van thanh, quan thanh
hieu tinh » chieu tinh, lieu tinh, hieu binh
kieu tinh » lieu tinh, trieu tinh, diep tinh
thanh han » thanh phan, thanh nhan, thanh hang
thanh cau » thanh chau, thanh mau, thanh ca
nhanh cau » nhanh cay, thanh chau, nhanh ha
tong ban » trong ban, tuong ban, tong van

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu tinh) OR (kieu tinh)) - thanh tran thanh han tong ban ((thanh cau) or (nhanh cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu tinh) OR (kieu tinh)) - thanh tran thanh han tong ban ((thanh cau) OR (nhanh cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu tinh) OR (kieu tinh)) - thanh tran thanh han tong ban ((thanh cau) or (nhanh cau))".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu tinh) OR (kieu tinh)) - thanh tran thanh han tong ban ((thanh cau) or (nhanh cau))*.