Perhaps you should try some spelling variations:
lanh tranh » canh tranh, lan tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
lanh manh » lan anh, van manh, anh anh
chinh cau » chinh chau, chinh can, chinh tai
ho chinh » hoc chinh, cho chinh, hoa chinh
cong dan » cong san, cong tan, huong dan
chinh ca » chinh ta, chinh va, chinh tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chinh sach - ((lanh manh) or (lanh tranh)) va nhung cong dan ((chinh cau) OR (chinh ca))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chinh sach - ((lanh manh) OR (lanh tranh)) va nhung cong dan ((chinh cau) OR (chinh ca)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chinh sach - ((lanh manh) or (lanh tranh)) va nhung cong dan ((chinh cau) OR (chinh ca))".
• Adding a wildcard symbol may retrieve word variants: ho chinh sach - ((lanh manh) or (lanh tranh)) va nhung cong dan ((chinh cau) OR (chinh ca))*.