Perhaps you should try some spelling variations:
canh tinh » hanh tinh, manh tinh, canh tranh
danh toan » manh toan, anh toan, dan toan
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
he trong » he thong, he trung, le trong
van toan » van tuan, van tan, van thanh
he tong » he thong, he cong, he dong

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 - canh tinh ((he tong) or (he trong)) cong ((danh toan) or (van toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - canh tinh ((he tong) OR (he trong)) cong ((danh toan) OR (van toan)) cau.
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - canh tinh ((he tong) or (he trong)) cong ((danh toan) or (van toan)) cau*.