Perhaps you should try some spelling variations:
dang phuong » bang phuong, dung phuong, dan phuong
trinh tuan » trinh quan, trinh luan, trinh xuan
trinh toan » tinh toan, thanh toan, trinh han
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
dan toan » van toan, manh toan, xuan toan
dan than » dan chan, ban than, van than

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

• If you are trying to use Boolean operators, they must be ALL CAPS: theo chu xanh - hanh ((trinh tuan) OR (trinh toan)) dang phuong ((dan toan) OR (dan than)) tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chu xanh - hanh ((trinh tuan) OR (trinh toan)) dang phuong ((dan toan) or (dan than)) tap~".
• Adding a wildcard symbol may retrieve word variants: theo chu xanh - hanh ((trinh tuan) OR (trinh toan)) dang phuong ((dan toan) or (dan than)) tap*.