Perhaps you should try some spelling variations:
danh thin » canh thin, danh thanh, danh thang
nhan luc » nang luc
cham luc » cham soc, cham cuu, chat lua
danh tri » dinh tri, thanh tri, danh tu
cua tre » cua te, cuu tre, cua triet
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
bai ky » ban ky, sai ky, bac ky
te bai » te bao, te tai, te ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: te bai ky lang xa hoi. hieu qua ((cham luc) or (nhan luc)) va ((danh tri) OR (danh thin)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te bai ky lang xa hoi. hieu qua ((cham luc) OR (nhan luc)) va ((danh tri) OR (danh thin)) cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te bai ky lang xa hoi. hieu qua ((cham luc) or (nhan luc)) va ((danh tri) OR (danh thin)) cua tre".
• Adding a wildcard symbol may retrieve word variants: te bai ky lang xa hoi. hieu qua ((cham luc) or (nhan luc)) va ((danh tri) OR (danh thin)) cua tre*.