Perhaps you should try some spelling variations:
canh trinh » canh tranh, hanh trinh, canh tinh
trinh luan » trinh luat, trinh quan, trinh han
luan nhung » luan chung, luan hung, quan nhung
thanh toan » thanh hoa, tinh toan
nhung don » nhung van, nhung bo
chi xanh » chi anh, chi danh, chi hanh
doi chi » doi khi

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - canh trinh luan nhung don ((thanh toan) OR (thanh san)) cao~".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - canh trinh luan nhung don ((thanh toan) OR (thanh san)) cao*.