Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
chat xuc » chat huu, cam xuc, chao xu
van hanh » van thanh, ban hanh, van anh
sach ty » sach y, sach tu, xach tay
hang xa » hoang xa, hang va, hang ca
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
xuc van » duc van, luc van, xuc ban
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: doc ((sach ty) OR (sach thu)) hang xa hoi. hieu ve chat xuc van hanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((sach ty) OR (sach thu)) hang xa hoi. hieu ve chat xuc van hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: doc ((sach ty) OR (sach thu)) hang xa hoi. hieu ve chat xuc van hanh vi cua tre*.