Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
danh dau » lanh dao, hang dau, xang dau
hieu ve » hieu va, hieu van
ve nang » va nang, ke nang, de nang
danh tu » anh tu, doanh thu
tang xa » trang xa, tang ma, lang xa
te sach » toc sach
luc va » duc va, tuc va, loc va
y tang » ky tang, 6 tang, 7 tang

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sach y tang xa hoi. hieu ve nang luc va ((danh dau) or (danh tu)) ((cua triet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y tang xa hoi. hieu ve nang luc va ((danh dau) OR (danh tu)) ((cua triet) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: te sach y tang xa hoi. hieu ve nang luc va ((danh dau) or (danh tu)) ((cua triet) or (su triet))*.