Perhaps you should try some spelling variations:
van thanh » ban thanh
van tuan » van quan, van ban, anh tuan
cham xuc » cam xuc, chat xuc, cham soc
so sach » so sanh, bo sach, co sach
tu cham » toc cham, thi cham
hieu tu » chieu tu, hieu tuc, hien tu
sach ky » sac ky, sach y, sach ty
lang ha » long ha
dang ha » dong ha, dung ha, tang ha
cua tre » cua te, cuu tre, cua triet
ve cua » le cua, de cua, te cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: so sach ky ((dang ha) or (lang ha)) hoi. hieu tu cham xuc ((van thanh) OR (van tuan)) ve cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach ky ((dang ha) OR (lang ha)) hoi. hieu tu cham xuc ((van thanh) OR (van tuan)) ve cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky ((dang ha) or (lang ha)) hoi. hieu tu cham xuc ((van thanh) OR (van tuan)) ve cua tre".
• Adding a wildcard symbol may retrieve word variants: so sach ky ((dang ha) or (lang ha)) hoi. hieu tu cham xuc ((van thanh) OR (van tuan)) ve cua tre*.