Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
theo chieu » theo tieu, ho chieu, thi chieu
quan khong » quang khang, quang thong, quan trong
quan hoang » luan hoan
theo chu » cho chu, chao chu, theo yeu
cong dan » cong san, cong tan, huong dan
ca doan » ca dan, chan doan, cac doanh

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

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