Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
nhan luc » nang luc
va thanh » gia thanh, ban thanh, va tinh
su sach » so sach, vu sach
te sach » toc sach
nang xa » nang x, lang xa, nang ma
thi van » thi lan, thi hanh, thi nang
cua tre » cua te, cuu tre, cua triet
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 nang xa hoi. ((thien van) OR (thi van)) nhan luc va thanh dai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (te sach)) ky nang xa hoi. ((thien van) OR (thi van)) nhan luc va thanh dai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (te sach)) ky nang xa hoi. ((thien van) OR (thi van)) nhan luc va thanh dai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (te sach)) ky nang xa hoi. ((thien van) OR (thi van)) nhan luc va thanh dai cua tre*.