Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
cham xuc » chat xuc, cham soc, pham duc
cau tre » cau treo, cau tra, cuu tre
hanh ve » hanh vi, hanh va, hanh kem
va hanh » van hanh, va thanh, va danh
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
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: su sach y nang x hoi. hieu ve ((cham xuc) or (cam xuc)) va hanh ve ((cau tre) OR (cau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang x hoi. hieu ve ((cham xuc) OR (cam xuc)) va hanh ve ((cau tre) OR (cau tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang x hoi. hieu ve ((cham xuc) or (cam xuc)) va hanh ve ((cau tre) OR (cau tren))".
• Adding a wildcard symbol may retrieve word variants: su sach y nang x hoi. hieu ve ((cham xuc) or (cam xuc)) va hanh ve ((cau tre) OR (cau tren))*.