Perhaps you should try some spelling variations:
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, pham duc
cua tre » cuu tre, cua triet, dua tren
vu san » va san, vu ban
san ky » sang ky, van ky, dan ky
va cam » va cham, va cac, va cao
va dan » ca dan, va dao, va dau
dan di » danh di, dan da, dan de
cua te » cua tu

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 xa hoi. hieu va cam duc va dan di ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu san ky nang xa hoi. hieu va cam duc va dan di ((cua tre) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: vu san ky nang xa hoi. hieu va cam duc va dan di ((cua tre) or (cua te))*.