Perhaps you should try some spelling variations:
ban trong » bai trong, ban tuong, ben trong
hieu luat » hieu qua
anh quan » anh tuan, ban quan, anh nhan
quan lan » quan luan, quan lang, quan van
dinh dan » dinh dang, dinh duan, dinh van
dan dung » van dung, tin dung, ap dung
dung van » duong van, dung va, dang van
van hieu » cao hieu
lan ban » lang ban, luan ban, van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( anh quan lan ban trong hoat ) or ( dinh dan dung van hieu luat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( anh quan lan ban trong hoat ) OR ( dinh dan dung van hieu luat ))*.