Perhaps you should try some spelling variations:
thanh luc » thanh luu, than luc, nhan luc
thu sach » thuat sach, thuoc sach, thu hoach
danh tai » doanh tai, dinh tai, hanh tai
thi nang » thi cong, ki nang, thi hanh
thi lan » thi hanh, thi lien
tai cua » thai cua, tai cuc, tri cua
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, cua triet
thi van » thi hanh
nang xa » nang x, lang xa, nang ma
tu sach » su sach, te sach, tu cach
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: ((thu sach) or (tu sach)) thi nang xa hoi. ((thi van) or (thi lan)) thanh luc va danh tai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thu sach) OR (tu sach)) thi nang xa hoi. ((thi van) OR (thi lan)) thanh luc va danh tai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((thu sach) or (tu sach)) thi nang xa hoi. ((thi van) or (thi lan)) thanh luc va danh tai cua tre*.