Perhaps you should try some spelling variations:
cam thuc » am thuc, nam thuc, cam thu
nang xa » nang x, lang xa, nang ma
qua cam » qua cham, qua cac, qua ca
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
luu tre » luu tru, cuu tre, luy tre
su sac » su sach, su xac
su cac » tu cac, su cao, su can
vi luu » vi lua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sac) OR (su cac)) ky nang xa hoi. hieu qua cam thuc va hanh vi luu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sac) OR (su cac)) ky nang xa hoi. hieu qua cam thuc va hanh vi luu tre".
• Adding a wildcard symbol may retrieve word variants: ((su sac) OR (su cac)) ky nang xa hoi. hieu qua cam thuc va hanh vi luu tre*.