Perhaps you should try some spelling variations:
van thanh » ban thanh, van tuan
cham xuc » cam xuc, cham soc, pham duc
thanh va » thanh van, hanh va, thanh ha
chat xuc » chat huu, cam xuc, chao xu
sach ky » sac ky, sach y, sach ty
so sach » so sanh, bo sach, co sach
hieu vu » hieu va, hieu ve, hieu su
lang xa » lang ha, dang xay, lang van
nang ma » tang ma, sang ma, nang cao
cua tre » cua te, cuu tre, cua triet
va cua » va chua, via cua, ca 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 ((nang ma) OR (lang xa)) hoi. hieu vu ((cham xuc) OR (chat xuc)) van thanh va cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach ky ((nang ma) OR (lang xa)) hoi. hieu vu ((cham xuc) OR (chat xuc)) van thanh va cua tre".
• Adding a wildcard symbol may retrieve word variants: so sach ky ((nang ma) OR (lang xa)) hoi. hieu vu ((cham xuc) OR (chat xuc)) van thanh va cua tre*.