Perhaps you should try some spelling variations:
sach tai » sach bai, sach tham, sach dao
tai nang » thi nang, tai lang, dai nang
hieu van » hieu va, thien van, lieu va
tu sach » thu sach, su sach, te sach
nang xa » nang x, lang xa, nang ma
van lam » van nam
cuc ban » cua ban, cac ban, duc ban
cuu ban » cuu van, cua ban, cuu san
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

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 tai nang xa hoi. hieu van lam ((cuc ban) OR (cuu ban)) hanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach tai nang xa hoi. hieu van lam ((cuc ban) OR (cuu ban)) hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: tu sach tai nang xa hoi. hieu van lam ((cuc ban) OR (cuu ban)) hanh vi cua tre*.