Perhaps you should try some spelling variations:
cham luc » cham soc, cham cuu, chat lua
nhan luc » nang luc
danh dai » danh dau, danh di, danh sai
cua viet » ca viet, hoa viet, cua vat
te sach » toc sach
tang ma » mang may, tang van
hieu ve » hieu va, hieu van
va danh » va dinh, va dan, va hanh
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 ((cham luc) or (nhan luc)) va danh dai cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y tang ma hoi. hieu ve ((cham luc) OR (nhan luc)) va danh dai cua viet.
• Adding a wildcard symbol may retrieve word variants: te sach y tang ma hoi. hieu ve ((cham luc) or (nhan luc)) va danh dai cua viet*.