Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
luat dung » suat dung, luat chung, thuat dung
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
theo chu » theo chieu, cho chu, chao chu
cong van » cong vang, cong san, song van
chat cau » chat cao, chat va, chat ban
chat cam » chat cao, thuat cam, chat va

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (theo chu)) xanh - hanh trinh luat dung cong van ((chat cau) OR (chat cam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chu)) xanh - hanh trinh luat dung cong van ((chat cau) OR (chat cam)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (theo chu)) xanh - hanh trinh luat dung cong van ((chat cau) OR (chat cam))".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo chu)) xanh - hanh trinh luat dung cong van ((chat cau) OR (chat cam))*.