Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh luan » trinh luat, trinh quan, trinh toan
trinh han » trinh quan
ho chieu » theo chieu, hoc thieu, doi chieu
han nong » hang nong, han tong, phan cong
dan than » ban than, van than, dan toan
dan chan » dan gian, dan ca, van chat

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: ho chieu xanh - canh ((trinh luan) OR (trinh han)) han nong ((dan than) OR (dan chan)) cao~.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh ((trinh luan) or (trinh han)) han nong ((dan than) or (dan chan)) cao*.