Perhaps you should try some spelling variations:
nam thuc » nam thuoc, am thuc, nam thu
hanh vai » hanh vi, hanh va, hanh tai
lang van » dang van, tang van, hoang van
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
lang xa » lang ha, dang xay
vai cua » dai cua, hai cua, lai cua
hieu ve » hieu va, hieu van
cam tuc » cam xuc, cam tu, dam thuc
cua su » qua su

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 y ((lang xa) OR (lang van)) hoi. hieu ve ((cam tuc) OR (nam thuc)) van hanh vai cua su~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((lang xa) or (lang van)) hoi. hieu ve ((cam tuc) OR (nam thuc)) van hanh vai cua su~".
• Adding a wildcard symbol may retrieve word variants: te sach y ((lang xa) or (lang van)) hoi. hieu ve ((cam tuc) OR (nam thuc)) van hanh vai cua su*.