Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
cong cong » cong dong, trong cong, dung cong
khoan cam » khoa cam, phan cam, thuan cam
cong dan » cong san, cong tan, huong dan
khoan va » doan va, khoa ma, nhan va
ho van » hoc van, vo van, so van
ho va » nho va, tho va, cho 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) OR (ho van)) tinh - hanh trinh cua cong cong dan ((khoan cam) or (khoan va))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho va) OR (ho van)) tinh - hanh trinh cua cong cong dan ((khoan cam) OR (khoan va)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho va) OR (ho van)) tinh - hanh trinh cua cong cong dan ((khoan cam) or (khoan va))".
• Adding a wildcard symbol may retrieve word variants: ((ho va) OR (ho van)) tinh - hanh trinh cua cong cong dan ((khoan cam) or (khoan va))*.