Perhaps you should try some spelling variations:
cu tren » tu tren, dua tren
va dinh » van dinh, va kinh, va tinh
cuu tre » cua tre, cau tren, cau treo
hieu ve » hieu va, hieu van
cam tuc » cam xuc, nam thuc, dam thuc
dinh di » dinh du, dinh vi, danh di
vu san » va san, vu ban
cam tu » cam thu, nam tu, dam tu
san ky » sang ky, van ky, dan ky
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: vu san ky nang x hoi. hieu ve ((cam tuc) OR (cam tu)) va dinh di ((cuu tre) or (cu tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu san ky nang x hoi. hieu ve ((cam tuc) OR (cam tu)) va dinh di ((cuu tre) OR (cu tren)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu san ky nang x hoi. hieu ve ((cam tuc) OR (cam tu)) va dinh di ((cuu tre) or (cu tren))".
• Adding a wildcard symbol may retrieve word variants: vu san ky nang x hoi. hieu ve ((cam tuc) OR (cam tu)) va dinh di ((cuu tre) or (cu tren))*.