Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh quan » tinh quang, trinh luat, trinh han
quan cong » qua cong, luan cong, quan dong
khoan cam » khoa cam, khoan va, phan cam
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
va tinh » may tinh
ho va » ho van, nho va, tho 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 va tinh - hanh trinh quan cong ((cong dan) OR (cong san)) khoan cam~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho va tinh - hanh trinh quan cong ((cong dan) OR (cong san)) khoan cam".
• Adding a wildcard symbol may retrieve word variants: ho va tinh - hanh trinh quan cong ((cong dan) OR (cong san)) khoan cam*.