Perhaps you should try some spelling variations:
te sach » toc sach
hai cua » thai cua, dai cua, hoi cua
vai cua » dai cua, lai cua, bai cua
ta danh » tac danh, tao danh, tap danh
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
toc ta » toc tay, toc thai
ve cac » vien cac
ma hoi » mai hoi, xa hoi, ma hoa

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 ky nang ma hoi. hieu ((ve cac) or (va cac)) toc ta danh ((vai cua) or (hai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang ma hoi. hieu ((ve cac) OR (va cac)) toc ta danh ((vai cua) OR (hai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: te sach ky nang ma hoi. hieu ((ve cac) or (va cac)) toc ta danh ((vai cua) or (hai cua)) tre*.