Perhaps you should try some spelling variations:
thanh te » thanh ve, thanh de, thanh le
cua tre » cua te, cuu tre, cua triet
nang ma » tang ma, sang ma, nang cao
hieu ve » hieu va, hieu van
thuc va » thuc dan, thuc day
te cua » tue cua, le cua, de cua
tu cai » tu cac, tu can, tu cay
ma hoi » mai hoi, xa hoi, ma hoa
tu bai » tu ban, tu bat, te bai
ve cam » ve cham, ve cac, va cam

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cai) OR (tu bai)) ky nang ma hoi. hieu ve cam ((thuc va) OR (thuc vat)) thanh te cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu cai) or (tu bai)) ky nang ma hoi. hieu ve cam ((thuc va) OR (thuc vat)) thanh te cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((tu cai) or (tu bai)) ky nang ma hoi. hieu ve cam ((thuc va) OR (thuc vat)) thanh te cua tre*.