Perhaps you should try some spelling variations:
nam thuc » nam thuoc, am thuc, nam thu
thuc xay » thuc day, tuc xay, thuat xay
hinh tai » chinh tai, hinh thai, hinh bai
nang noi » nang doc
han tai » hang tai, nhan tai, van tai
cua tre » cua te, cuu tre, cua triet
lieu ha » lieu nha, lieu va, liem ha
noi hoi » noi doi, doi hoi, hoi hoi
tu san » thu san, tu ban, tu can
tu sac » tu sach, tu cac, tu bac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu sac) or (tu san)) ky nang noi hoi. lieu ha nam thuc xay ((hinh tai) or (han tai)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sac) OR (tu san)) ky nang noi hoi. lieu ha nam thuc xay ((hinh tai) OR (han tai)) cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu sac) or (tu san)) ky nang noi hoi. lieu ha nam thuc xay ((hinh tai) or (han tai)) cua tre*.