Perhaps you should try some spelling variations:
yen lang » den lang, ten lang, yen giang
te sach » toc sach
hieu va » lieu va, hieu qua
cam tuc » cam tu, nam thuc, dam thuc
van anh » van thanh, tuan anh, van minh
vi cua » vai cua, di cua
anh vi » hanh vi, anh va, anh ve
_ lang » o lang, _ land
cua te » cua tu

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 ((yen lang) OR (_ lang)) xa hoi. hieu va ((cam tuc) OR (cam xuc)) van anh vi cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ((yen lang) or (_ lang)) xa hoi. hieu va ((cam tuc) OR (cam xuc)) van anh vi cua te~".
• Adding a wildcard symbol may retrieve word variants: te sach ((yen lang) or (_ lang)) xa hoi. hieu va ((cam tuc) OR (cam xuc)) van anh vi cua te*.