Perhaps you should try some spelling variations:
cua triet » cua viet, va triet
su triet » su viet, su tien, ve triet
cham cuu » cap cuu, chat cua
danh dau » lanh dao, hang dau, danh tu
nhan luc » nang luc
va danh » va dinh, va dan, va hanh
te sach » toc sach
hieu ve » hieu va, hieu van
tang ma » mang may, tang van
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) or (cham cuu)) va danh dau ((cua triet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y tang ma hoi. hieu ve ((nhan luc) OR (cham cuu)) va danh dau ((cua triet) OR (su triet)).
• Adding a wildcard symbol may retrieve word variants: te sach y tang ma hoi. hieu ve ((nhan luc) or (cham cuu)) va danh dau ((cua triet) or (su triet))*.