Perhaps you should try some spelling variations:
ban hanh » ban hang
lang van » dang van, tang van, hoang van
van hanh » van thanh, van anh, van ban
hieu van » hieu va, thien van, lieu va
te sach » toc sach
vai cua » dai cua, hai cua, lai cua
van cau » van dau, van hau, van chat
cau tuc » cau truc, cau tu, cau luc
lang xa » lang ha, dang xay
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 y ((lang xa) OR (lang van)) hoi. hieu van cau tuc ((van hanh) OR (ban hanh)) vai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((lang xa) or (lang van)) hoi. hieu van cau tuc ((van hanh) OR (ban hanh)) vai cua te~".
• Adding a wildcard symbol may retrieve word variants: te sach y ((lang xa) or (lang van)) hoi. hieu van cau tuc ((van hanh) OR (ban hanh)) vai cua te*.