Perhaps you should try some spelling variations:
thanh vien » nhan vien, thanh van
thanh vi » hanh vi, thanh va, thanh ve
tu sach » thu sach, su sach, te sach
lam luc » lao luc, lam duoc
nang xa » nang x, lang xa, mang xa
nang ma » tang ma, sang ma, nang cao
cua tre » cua te, cuu tre, cua triet
va lam » van lam, va lap
luc va » duc va, tuc va, loc va

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 y ((nang xa) or (nang ma)) hoi. lieu va lam luc va ((thanh vi) or (thanh vien)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y ((nang xa) OR (nang ma)) hoi. lieu va lam luc va ((thanh vi) OR (thanh vien)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach y ((nang xa) or (nang ma)) hoi. lieu va lam luc va ((thanh vi) or (thanh vien)) cua tre*.