Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
sach dai » sach dao, sach bai, sach dat
dai nang » da nang, dai dang, dai thang
hieu van » hieu va, thien van, lieu va
nang tuc » nang thuc, nang luc, nang phuc
va thanh » gia thanh, ban thanh, va tinh
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
nang tu » nang du, nang luc
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet

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