Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trinh » canh tranh, hanh chinh
doi chiet » doi chieu, doi chi, doi viet
luat tong » luat trong, luat thong, luat cong
hoang van » hang va
cong van » cong vang, cong san, song van
van cau » van dau, van hau, van chat

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chiet tach - hanh trinh luat tong ((cong van) or (hoang van)) van cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chiet tach - hanh trinh luat tong ((cong van) OR (hoang van)) van cau.
• Adding a wildcard symbol may retrieve word variants: doi chiet tach - hanh trinh luat tong ((cong van) or (hoang van)) van cau*.