Perhaps you should try some spelling variations:
cam thuc » am thuc, nam thuc, cam thu
thuc day » thuc dan, thuc vat
thanh ve » hanh ve, thanh va, thanh vien
thu sach » tu sach, thuat sach, thuoc sach
thanh vi » hanh vi, thanh va, nhanh vi
te sach » toc sach
nang xa » nang x, lang xa, nang ma
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (thu sach)) ky nang xa hoi. lieu va cam thuc day ((thanh vi) or (thanh ve)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (thu sach)) ky nang xa hoi. lieu va cam thuc day ((thanh vi) OR (thanh ve)) cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (thu sach)) ky nang xa hoi. lieu va cam thuc day ((thanh vi) or (thanh ve)) cua tre*.