Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
van hanh » ban hanh, van anh, van ban
cham xuc » cam xuc, chat xuc, cham soc
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
lang ha » long ha
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 ky ((lang ha) or (nang x)) hoi. hieu ve cham xuc ((van hanh) or (van thanh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((lang ha) OR (nang x)) hoi. hieu ve cham xuc ((van hanh) OR (van thanh)) vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((lang ha) or (nang x)) hoi. hieu ve cham xuc ((van hanh) or (van thanh)) vi cua tre*.