Perhaps you should try some spelling variations:
canh sinh » canh tinh, canh binh, tinh sinh
va phuong » va thuong, cac phuong
tuong dan » huong dan, tung dan, xuong dan
ho chinh » hoc chinh, cho chinh, hoa chinh
va thong » va thuong, he thong, va cong
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chinh sach - canh sinh ((va thong) OR (va phuong)) tuong dan ((phan cau) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chinh sach - canh sinh ((va thong) OR (va phuong)) tuong dan ((phan cau) OR (phan dau)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chinh sach - canh sinh ((va thong) OR (va phuong)) tuong dan ((phan cau) or (phan dau))".
• Adding a wildcard symbol may retrieve word variants: ho chinh sach - canh sinh ((va thong) OR (va phuong)) tuong dan ((phan cau) or (phan dau))*.