Perhaps you should try some spelling variations:
hoa chinh » hoan chinh, hoa hinh, hoc chinh
dung cong » dung trong
thanh va » thanh van, hanh va, thanh ha
trinh ve » trinh he, trinh va, trinh vi
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cau » phan cau, can cau, chinh cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoa chinh sach - canh ((thanh va) or (trinh ve)) dung cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoa chinh sach - canh ((thanh va) OR (trinh ve)) dung cong dan chan cau.
• Adding a wildcard symbol may retrieve word variants: hoa chinh sach - canh ((thanh va) or (trinh ve)) dung cong dan chan cau*.