Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
cham xuc » cham soc, pham duc, chao xu
chat xuc » chat huu, chao xu, chat cua
dau tren » dau tien, dat tren, dau tieng
co sach » bo sach, cuon 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
va dau » va dao
x hoi » xa hoi, o hoi, x ho

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

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