Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
quoc quan » qua quan, luc quan, hoc quan
thai cua » than cua, tai cuc, tri cua
duc manh » suc manh, duc anh, duc minh
tu cach » tu cac
cua tre » cua te, cuu tre, cua triet
hieu ve » hieu va, hieu van
nang co » nang cao, nang doc, nang noi
te sach » toc sach
co hai » co dai, co hoi, o hai
ve cac » va cac, vien cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu cach) or (te sach)) ky nang co hai. hieu ve cac ((quoc quan) or (duc manh)) hanh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu cach) OR (te sach)) ky nang co hai. hieu ve cac ((quoc quan) OR (duc manh)) hanh thai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu cach) or (te sach)) ky nang co hai. hieu ve cac ((quoc quan) or (duc manh)) hanh thai cua tre*.