Perhaps you should try some spelling variations:
cua triet » cua viet, su triet
va triet » va thiet, va trien, ve triet
nhan luc » nang luc
danh dau » lanh dao, hang dau, xang dau
danh tu » anh tu, doanh thu
te sach » toc sach
ve nhan » ve nha, de nhan, va nhan
hieu ve » hieu va, hieu van
tang ma » mang may, tang van
luc va » duc va, tuc va, loc va
y tang » ky tang, 6 tang, 7 tang
ma hoi » mai hoi, xa hoi, ma hoa

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 ma hoi. hieu ve nhan luc va ((danh dau) or (danh tu)) ((cua triet) or (va triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y tang ma hoi. hieu ve nhan luc va ((danh dau) OR (danh tu)) ((cua triet) OR (va triet)).
• Adding a wildcard symbol may retrieve word variants: te sach y tang ma hoi. hieu ve nhan luc va ((danh dau) or (danh tu)) ((cua triet) or (va triet))*.