Perhaps you should try some spelling variations:
luan hang » luan han, luan hung, luan tang
luan nang » luan van, van nang, luan san
ho trieu » mot trieu, 25 trieu, 30 trieu
anh dung » anh dong, anh huong, sach dung
cong san » cong tac
toan cao » toan ban
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho trieu tinh - anh dung ((luan hang) or (luan nang)) cong san ((toan cao) OR (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho trieu tinh - anh dung ((luan hang) OR (luan nang)) cong san ((toan cao) OR (toan tap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho trieu tinh - anh dung ((luan hang) or (luan nang)) cong san ((toan cao) OR (toan tap))*".