Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
van hanh » van thanh, ban hanh, van anh
cham xuc » cam xuc, chat xuc, pham duc
sach tay » xach tay, sach hay, sach nay
hieu thi » sieu thi, hieu chi, hiep thi
lang van » dang van, tang van, hoang van
lang xa » lang ha, dang xay
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: thu sach tay ((lang xa) OR (lang van)) hoi. hieu thi ((cham xuc) or (cham soc)) van hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach tay ((lang xa) OR (lang van)) hoi. hieu thi ((cham xuc) OR (cham soc)) van hanh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach tay ((lang xa) OR (lang van)) hoi. hieu thi ((cham xuc) or (cham soc)) van hanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: thu sach tay ((lang xa) OR (lang van)) hoi. hieu thi ((cham xuc) or (cham soc)) van hanh vi cua tre*.