Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
cham xuc » chat xuc, cham soc, pham duc
bo sach » co sach, hoc sach
sach ky » sac ky, sach y, sach ty
va hanh » van hanh, va thanh, va danh
hanh va » hang va, hanh vi
cu tren » tu tren, dua tren
x hoi » xa hoi, o hoi, x ho
va cu » va cau, va chu, va su

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

• Performing a fuzzy search may retrieve terms with similar spellings: bo sach ky nang x hoi. hieu van ((cham xuc) or (cam xuc)) va hanh va cu tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach ky nang x hoi. hieu van ((cham xuc) OR (cam xuc)) va hanh va cu tren.
• Adding a wildcard symbol may retrieve word variants: bo sach ky nang x hoi. hieu van ((cham xuc) or (cam xuc)) va hanh va cu tren*.