Perhaps you should try some spelling variations:
thien hoat » trien hoat, thien thuat, tien hoa
hieu hoat » hieu hoa, hieu luat, tieu hoa
hieu suat » hieu luat, hieu qua
tinh nang » trinh nang, tin nang, tich nang
nang quan » ban quan, nang suat
van thien » van tien, van hien, van chien
quan van » luan van, quan va, quan luan
tai san » tai ngan

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

• Performing a fuzzy search may retrieve terms with similar spellings: (( tin dung tai san ((hieu hoat) OR (hieu suat)) ) or ( tinh nang quan van thien hoat ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( tin dung tai san ((hieu hoat) OR (hieu suat)) ) OR ( tinh nang quan van thien hoat )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( tin dung tai san ((hieu hoat) OR (hieu suat)) ) or ( tinh nang quan van thien hoat ))".
• Adding a wildcard symbol may retrieve word variants: (( tin dung tai san ((hieu hoat) OR (hieu suat)) ) or ( tinh nang quan van thien hoat ))*.