Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
phuong dan » phuong danh, phuong doan, huong dan
canh minh » canh tinh, canh binh, chinh minh
ho chieu » theo chieu, hoc thieu, doi chieu
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap
minh va » tinh va, sinh va, sinh vat
va dung » van dung, va duong, vat dung

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) or (theo tieu)) tinh - canh minh va dung phuong dan ((phan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo tieu)) tinh - canh minh va dung phuong dan ((phan cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (theo tieu)) tinh - canh minh va dung phuong dan ((phan cau) or (phan cac))*.