Perhaps you should try some spelling variations:
hanh trinh » canh tranh
cong thanh » dong thanh, cong trinh, cong tan
quan dung » quang dung, quan duong, qua dung
dung cong » dung trong
chu xanh » chu manh, chieu xanh, chua xang
cho chu » cho thue
san cau » van cau, ban cau, can cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: cho chu xanh - ((hanh trinh) or (hanh chinh)) quan dung cong thanh san cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho chu xanh - ((hanh trinh) OR (hanh chinh)) quan dung cong thanh san cau.
• Adding a wildcard symbol may retrieve word variants: cho chu xanh - ((hanh trinh) or (hanh chinh)) quan dung cong thanh san cau*.