Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thu canh » thuc hanh, thu cong, thu ban
hieu van » hieu va, thien van, lieu va
cac nuoc » cap nuoc, hoc nuoc, dat nuoc
canh ky » hanh ky, canh tay, nganh ky
cac toc » cac toi, cac thoi
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, dua tren
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: thu canh ky nang x hoi. hieu van ((cac toc) or (cac nuoc)) va hanh vi ((cua tre) OR (cua triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu canh ky nang x hoi. hieu van ((cac toc) OR (cac nuoc)) va hanh vi ((cua tre) OR (cua triet)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu canh ky nang x hoi. hieu van ((cac toc) or (cac nuoc)) va hanh vi ((cua tre) OR (cua triet))".
• Adding a wildcard symbol may retrieve word variants: thu canh ky nang x hoi. hieu van ((cac toc) or (cac nuoc)) va hanh vi ((cua tre) OR (cua triet))*.