Perhaps you should try some spelling variations:
thien van » thi van
hieu van » hieu va, lieu va, hieu ve
cham xuc » cam xuc, cham soc, pham duc
chat xuc » chat huu, cam xuc, chao xu
cac tren » ca tren, cau tren, rac tren
co sach » bo sach, cuon sach, hoc sach
va hanh » van hanh, va thanh, va danh
hanh va » hang va, hanh vi
y nang » ky nang, ly nang, v nang
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 y nang x hoi. ((hieu van) or (thien van)) ((cham xuc) or (chat xuc)) va hanh va cac tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: co sach y nang x hoi. ((hieu van) OR (thien van)) ((cham xuc) OR (chat xuc)) va hanh va cac tren.
• Adding a wildcard symbol may retrieve word variants: co sach y nang x hoi. ((hieu van) or (thien van)) ((cham xuc) or (chat xuc)) va hanh va cac tren*.