Perhaps you should try some spelling variations:
chat xuc » chat huu, cam xuc, chao xu
cau treo » cau theo, cau tren, cau triet
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
ve chat » va chat, van chat
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
xuc va » duc va, tuc va, luc va

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky ((nang x) or (lang xa)) hoi. hieu ve chat xuc va hanh vi ((cua tre) or (cau treo))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky ((nang x) OR (lang xa)) hoi. hieu ve chat xuc va hanh vi ((cua tre) OR (cau treo)).
• Adding a wildcard symbol may retrieve word variants: tu cac ky ((nang x) or (lang xa)) hoi. hieu ve chat xuc va hanh vi ((cua tre) or (cau treo))*.