Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cong quang » luong quang, thong quang, duong quang
canh manh » canh tranh, cach mang, van manh
lanh manh » lanh tranh, lan anh, van manh
cong lang » cong vang, cong luong, cong ngang
doanh cao » doanh co, doanh bao, doanh cho
ho chieu » theo chieu, hoc thieu, doi chieu

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

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