Perhaps you should try some spelling variations:
nam thuc » nam thuoc, am thuc, nam thu
nang xa » nang x, lang xa, nang ma
hieu le » hieu ve, hieu he, hieu ly
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
cua tuc » cua duc, cua tu, cua thuoc
vu sac » vu sach, vu san, va sac
sac ky » cac ky, sai ky
le nam » ly nam, he nam, le na
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 le nam thuc va hanh vi ((cua te) or (cua tuc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sac ky nang xa hoi. hieu le nam thuc va hanh vi ((cua te) OR (cua tuc)).
• Adding a wildcard symbol may retrieve word variants: vu sac ky nang xa hoi. hieu le nam thuc va hanh vi ((cua te) or (cua tuc))*.