Perhaps you should try some spelling variations:
cham luc » nhan luc, cham cuu, chat lua
tu sach » thu sach, su sach, te sach
nang ma » tang ma, sang ma, nang cao
hoi cua » hoi chuc
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
di cua » dai cua, doi cua, de cua
va dan » ca dan, va dao, va dau
ma hoi » mai hoi, xa hoi, ma hoa

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ma hoi. hieu ve ((cham luc) OR (cham soc)) va dan ((di cua) OR (hoi cua)) te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang ma hoi. hieu ve ((cham luc) OR (cham soc)) va dan ((di cua) or (hoi cua)) te~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ma hoi. hieu ve ((cham luc) OR (cham soc)) va dan ((di cua) or (hoi cua)) te*.