Perhaps you should try some spelling variations:
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
canh trinh » canh tranh, hanh trinh, canh tinh
trinh xuat » trinh luat, trinh xuan, trich xuat
xuat thong » xuat thuong, suat thong, luat thuong
manh toan » thanh toan, anh tuan, tinh toan
van thanh » ban thanh, 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: hoc ((thieu xanh) OR (chieu xanh)) - canh trinh xuat thong thong ((manh toan) or (van thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - canh trinh xuat thong thong ((manh toan) OR (van thanh)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (chieu xanh)) - canh trinh xuat thong thong ((manh toan) or (van thanh)) cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (chieu xanh)) - canh trinh xuat thong thong ((manh toan) or (van thanh)) cau*.