Perhaps you should try some spelling variations:
thien van » thi van
cam thuc » am thuc, nam thuc, cam thu
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
van cam » van nam, van lam, van cau
thuc va » thuc vat, thuc dan, thuc day
dan vai » dan va, dan tai, dan vat
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet
te sac » te sach, te san
te cac » tu cac, ve cac, te cao
va dan » ca dan, va dao, va dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sac) or (te cac)) ky dang xa hoi. thien van cam thuc va dan vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sac) OR (te cac)) ky dang xa hoi. thien van cam thuc va dan vai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sac) or (te cac)) ky dang xa hoi. thien van cam thuc va dan vai cua tre*.