Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
thanh ha » thanh hoa, thanh hai, nhanh ha
thanh va » thanh van, hanh va, thanh ve
dang xay » dang van, van xay
bach he » bach hue, bach ha, bach nhu
sach ky » sac ky, sach y, sach ty
tu sach » thu sach, su sach, te sach
tang xa » trang xa, tang ma, lang xa
cuu tre » cua tre, cau tren, cau treo
he gia » ho gia, de gia, he dia

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky ((tang xa) or (dang xay)) hoi. hieu vien bach he gia ((thanh va) or (thanh ha)) cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky ((tang xa) OR (dang xay)) hoi. hieu vien bach he gia ((thanh va) OR (thanh ha)) cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky ((tang xa) or (dang xay)) hoi. hieu vien bach he gia ((thanh va) or (thanh ha)) cuu tre*.