Perhaps you should try some spelling variations:
hanh trinh » hanh chinh
dung cong » dung trong
theo yeu » theo tieu, thiet yeu, theo chu
cua dung » cua dang, cua dong, qua dung
cong van » cong vang, cong san, song van
van chat » cao chat
chat ban » nhat ban, chat ran, cua ban
cho chu » cho thue

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

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