Perhaps you should try some spelling variations:
nhan luc » nang luc
danh dau » lanh dao, hang dau, danh tu
danh sai » dung sai, danh bat, hanh san
cham luc » cham soc, cham cuu, chat lua
tu sach » thu sach, su sach, te sach
cua tre » cua te, cuu tre, cua triet
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
ty lang » tay lang, ty xang, ty hang

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ty lang xa hoi. hieu ve ((cham luc) OR (nhan luc)) va ((danh sai) or (danh dau)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty lang xa hoi. hieu ve ((cham luc) OR (nhan luc)) va ((danh sai) OR (danh dau)) cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty lang xa hoi. hieu ve ((cham luc) OR (nhan luc)) va ((danh sai) or (danh dau)) cua tre*".