Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
cham luc » cham soc, cham cuu, chat lua
nhan luc » nang luc
ban hanh » ban hang
cau tren » cu tren, dau tren, ca tren
sach ky » sac ky, sach y, sach ty
nang co » nang cao, nang doc, nang noi
hieu ve » hieu va, hieu van
hanh va » hang va, hanh vi
va cau » van cau, va cac, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky nang co hoc. hieu ve ((cham luc) or (nhan luc)) ban hanh va cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang co hoc. hieu ve ((cham luc) OR (nhan luc)) ban hanh va cau tren.
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang co hoc. hieu ve ((cham luc) or (nhan luc)) ban hanh va cau tren*.