Perhaps you should try some spelling variations:
tieu trinh » tien trinh, tien thinh, trieu tinh
quan lang » quan hoang, gian lang, quan luan
nhanh cau » nhanh cay, thanh chau, nhanh ha
ban quan » van quan
cong van » cong vang, song van, cong tan
cong san » cong tac
anh ban » anh bang, anh bai, anh van

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu trinh - anh ban quan lang ((cong van) or (cong san)) nhanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu trinh - anh ban quan lang ((cong van) OR (cong san)) nhanh cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu trinh - anh ban quan lang ((cong van) or (cong san)) nhanh cau*.