Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh sinh » canh tinh, canh binh, tinh sinh
vat nhung » va nhung, vap nhung, vai nhung
ho chieu » theo chieu, hoc thieu, doi chieu
cong dan » cong tan, huong dan, cong dong
cong san » cong tac
phan cau » phan dau, phan cac, phan lap

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 sinh vat nhung ((cong dan) OR (cong san)) ((phan cau) OR (phan tu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - canh sinh vat nhung ((cong dan) OR (cong san)) ((phan cau) or (phan tu))~".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh sinh vat nhung ((cong dan) OR (cong san)) ((phan cau) or (phan tu))*.