Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
trinh quan » tinh quang, trinh luat, trinh han
chieu xanh » chieu sach, chieu sang, chieu tinh
phuong la » phuong lan, phuong tay, phuong mai
ho chieu » theo chieu, hoc thieu, doi chieu
tinh cua » trinh cua, sinh cua, tinh chat
than cau » toan cau, than cap, thanh chau
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - hanh ((tinh cua) or (trinh quan)) dung phuong la ((than cau) OR (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - hanh ((tinh cua) OR (trinh quan)) dung phuong la ((than cau) OR (phan cau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh ((tinh cua) or (trinh quan)) dung phuong la ((than cau) OR (phan cau))".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh ((tinh cua) or (trinh quan)) dung phuong la ((than cau) OR (phan cau))*.