Perhaps you should try some spelling variations:
cham luc » cham soc, nhan luc, cham cuu
thanh te » thanh ve, thanh de, thanh le
thanh va » thanh van, hanh va, thanh ha
te sach » toc sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cham » va chat, va tham
luc van » luoc van, luu van, duc van
cua tre » cua te, cuu tre, cua triet
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang

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 v nang xa hoi. hieu va cham luc van ((thanh te) or (thanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach v nang xa hoi. hieu va cham luc van ((thanh te) OR (thanh va)) cua tre.
• Adding a wildcard symbol may retrieve word variants: te sach v nang xa hoi. hieu va cham luc van ((thanh te) or (thanh va)) cua tre*.