Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
cua tre » cua te, cuu tre, cua triet
cac lop » cac hop, cac loai
nang xa » nang x, lang xa, nang ma
cac loc » cac hoc, cac nuoc, cac loai
danh vi » hanh vi, dinh vi, danh di
cac toc » cac toi, cac nuoc, cac thoi
va danh » va dinh, va dan, va hanh
vi cua » vai cua, di cua
tu can » tu ban, tu cac, thu canh
can ky » van ky, dan ky, ban ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu can ky nang xa hoi. hieu van ((((cac loc) or (cac toc))) or (cac lop)) va danh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu can ky nang xa hoi. hieu van ((((cac loc) OR (cac toc))) OR (cac lop)) va danh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu can ky nang xa hoi. hieu van ((((cac loc) or (cac toc))) or (cac lop)) va danh vi cua tre*.