Perhaps you should try some spelling variations:
thanh tran » thanh trang, thanh toan, thanh tra
tuan thong » toan thong, tran thong, tuan phong
hieu tinh » chieu tinh, kieu tinh, hieu binh
lieu tinh » trieu tinh, diep tinh, bien tinh
tran tuan » tran xuan, tran quang, tran thanh
tap quan » tac quan, hai quan

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 (lieu tinh)) - thanh tran tuan thong thong ((tap quan) or (tap doan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu tinh) OR (lieu tinh)) - thanh tran tuan thong thong ((tap quan) OR (tap doan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu tinh) OR (lieu tinh)) - thanh tran tuan thong thong ((tap quan) or (tap doan)) cau".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu tinh) OR (lieu tinh)) - thanh tran tuan thong thong ((tap quan) or (tap doan)) cau*.