Perhaps you should try some spelling variations:
va doanh » van doanh, vay doanh, va danh
cham luc » cham soc, nhan luc, cham cuu
chat cua » nhat cua, chat va, chat huu
cuu tre » cau tren, cau treo
nang xa » nang x, lang xa, nang ma
hieu vu » hieu va, hieu ve, hieu su
cua tre » cua te, cua triet, dua tren
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sac ky nang xa hoi. hieu vu ((cham luc) or (chat cua)) va doanh tai ((cua tre) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky nang xa hoi. hieu vu ((cham luc) OR (chat cua)) va doanh tai ((cua tre) OR (cuu tre)).
• Adding a wildcard symbol may retrieve word variants: vu sac ky nang xa hoi. hieu vu ((cham luc) or (chat cua)) va doanh tai ((cua tre) or (cuu tre))*.