Perhaps you should try some spelling variations:
hieu vien » hieu hien, hieu viec, thieu nien
tai lang » tai cong, thi lan, tai san
vien cac » vien bach, vien dai, vien da
nang doi » nang doc, nang noi, hang doi
te sach » toc sach
ty lang » tay lang, ty xang, ty hang
cac tuc » cac toc, cac tu, cac tac
xa nang » da nang, va nang, xa nong
doi cua » dai cua, hoi cua

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: te sach ((ty lang) OR (tai lang)) xa hoi. hieu vien cac tuc xa nang doi cua vat~.
• Adding a wildcard symbol may retrieve word variants: te sach ((ty lang) or (tai lang)) xa hoi. hieu vien cac tuc xa nang doi cua vat*.