Perhaps you should try some spelling variations:
nam thuc » nam thuoc, nam thu, nam tu
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky
vi cua » vai cua, di cua
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 sac ky nang xa hoi. hieu ve ((nam thuc) OR (am thuc)) va hanh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sac ky nang xa hoi. hieu ve ((nam thuc) OR (am thuc)) va hanh vi cua te".
• Adding a wildcard symbol may retrieve word variants: vu sac ky nang xa hoi. hieu ve ((nam thuc) OR (am thuc)) va hanh vi cua te*.