Perhaps you should try some spelling variations:
thien van » thi van
hieu van » hieu va, lieu va, hieu ve
cham cuu » cap cuu, chat cua
ban hanh » ban hang
cuu ban » cuu van, cua ban, cuu san
cua tre » cuu tre, cua triet, dua tren
cua te » cua tu
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: tu cac ky nang x hoi. ((hieu van) or (thien van)) cham cuu ban hanh vi ((cua tre) OR (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky nang x hoi. ((hieu van) OR (thien van)) cham cuu ban hanh vi ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cac ky nang x hoi. ((hieu van) or (thien van)) cham cuu ban hanh vi ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: tu cac ky nang x hoi. ((hieu van) or (thien van)) cham cuu ban hanh vi ((cua tre) OR (cua te))*.