Perhaps you should try some spelling variations:
chat xuc » chat huu, cam xuc, chao xu
cua tuc » cua duc, cua tu, cua thuoc
va hanh » van hanh, va thanh, va danh
vu chat » va chat, ve chat, du chat
hieu vu » hieu va, hieu ve, hieu su
lai hoi » dai hoi, lai hoa, lai roi
ky dang » ky nang, ky danh
ky tang » ky nang, kho tang, ky trong
xuc va » duc va, tuc va, luc va
cua te » cua tu
tu sac » tu sach, tu cac, tu san

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ((ky tang) or (ky dang)) lai hoi. hieu vu chat xuc va hanh vi ((cua te) or (cua tuc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ((ky tang) OR (ky dang)) lai hoi. hieu vu chat xuc va hanh vi ((cua te) OR (cua tuc)).
• Adding a wildcard symbol may retrieve word variants: tu sac ((ky tang) or (ky dang)) lai hoi. hieu vu chat xuc va hanh vi ((cua te) or (cua tuc))*.