Perhaps you should try some spelling variations:
luat quan » qua quan, luat dan, luc quan
bien soan » bien so
quan doi » quan tri, quan li
doi hieu » doi chieu, doc hieu, doi hien
hieu hoa » tieu hoa, dieu hoa, hiep hoa
dung van » duong van, dung va, dang van
van bien » van tien, van hien, vat bien
binh ap » binh ai, binh phap, binh dan
ap dung » xay dung, van dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( trinh luat quan doi hieu hoa ) or ( binh ap dung van bien soan ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( trinh luat quan doi hieu hoa ) OR ( binh ap dung van bien soan )).
• Adding a wildcard symbol may retrieve word variants: (( trinh luat quan doi hieu hoa ) or ( binh ap dung van bien soan ))*.