Perhaps you should try some spelling variations:
thanh loai » thanh loi, thanh oai, thanh hoai
loai cua » lai cua, loai ca, loai chat
va thanh » gia thanh, ban thanh, va tinh
nhan luc » nang luc
su sach » so sach, vu sach
cua tre » cua te, cuu tre, cua triet
hieu va » hieu qua
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
te sach » toc sach
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: ((su sach) or (te sach)) ky lang xa hoi. ((hieu va) OR (lieu va)) nhan luc va thanh loai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (te sach)) ky lang xa hoi. ((hieu va) OR (lieu va)) nhan luc va thanh loai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (te sach)) ky lang xa hoi. ((hieu va) OR (lieu va)) nhan luc va thanh loai cua tre*".