Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
nhan luc » nang luc
dinh duc » minh duc, ninh duc, tinh duc
van dinh » van minh, van dich, va dinh
mai hoi » mai khoi, dai hoi, lai hoi
hieu ve » hieu va, hieu van
ve nhan » ve nha, de nhan, va nhan
luc van » luoc van, luu van, duc van
duc cua » doc cua, luc cua, tuc cua
te sach » toc sach
y tang » ky tang, 6 tang, 7 tang
ma hoi » ma hoa, me hoi, va hoi

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