Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chieu xanh » chieu sach, chieu sang, chieu tinh
canh manh » lanh manh, canh tranh, cach mang
manh toan » thanh toan, anh tuan, tinh toan
ho chieu » theo chieu, hoc thieu, doi chieu
manh cua » doanh cua, ban cua
van than » van thanh, van thang, van tuan

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 cua ((thong cong) or (han tong)) ((van than) or (manh toan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - canh manh cua ((thong cong) OR (han tong)) ((van than) OR (manh toan)) cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh manh cua ((thong cong) or (han tong)) ((van than) or (manh toan)) cao*.