Perhaps you should try some spelling variations:
nang van » dang van, tang van, lang van
hieu ve » hieu van
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, pham duc
va danh » va dinh, va dan, va hanh
danh de » hanh de, dan de, dang de
cua tre » cuu tre, cua triet, dua tren
vu dai » vi dai, va dai, vu hai
dai ky » dan ky, dai ly, sai ky
cua te » cua tu

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

• If you are trying to use Boolean operators, they must be ALL CAPS: vu dai ky nang van hoa. ((hieu ve) OR (hieu va)) cam duc va danh de ((cua tre) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu dai ky nang van hoa. ((hieu ve) or (hieu va)) cam duc va danh de ((cua tre) OR (cua te))~".
• Adding a wildcard symbol may retrieve word variants: vu dai ky nang van hoa. ((hieu ve) or (hieu va)) cam duc va danh de ((cua tre) OR (cua te))*.