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