Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hanh tranh » canh tranh, hanh trinh, hanh trang
chu xanh » chieu xanh, chua xang, chuc danh
chu manh » ho manh, chu han, chu van
tranh va » tranh van, trang va, trinh va
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: cho ((chu xanh) or (chu manh)) - hanh tranh va nhung cong dan chan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((chu xanh) OR (chu manh)) - hanh tranh va nhung cong dan chan cau.
• Adding a wildcard symbol may retrieve word variants: cho ((chu xanh) or (chu manh)) - hanh tranh va nhung cong dan chan cau*.