Perhaps you should try some spelling variations:
cham xuc » cam xuc, cham soc, pham duc
hanh vai » hanh vi, hanh va, hanh tai
dang xay » dang van, van xay
chat xuc » chat huu, cam xuc, chao xu
sach ky » sac ky, sach y, sach ty
vai cua » dai cua, hai cua, lai cua
va hanh » van hanh, va thanh, va danh
su sach » so sach, vu sach
hieu va » lieu va, hieu qua
cua tre » cua te, cuu tre, cua triet

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky ((nang x) or (dang xay)) hoi. hieu va ((cham xuc) OR (chat xuc)) va hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky ((nang x) OR (dang xay)) hoi. hieu va ((cham xuc) OR (chat xuc)) va hanh vai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky ((nang x) or (dang xay)) hoi. hieu va ((cham xuc) OR (chat xuc)) va hanh vai cua tre*".