Perhaps you should try some spelling variations:
phuong cong » phuong dong, phong cong, phung cong
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
manh tuong » manh cuong, minh tuong, anh huong
manh tung » manh hung, thanh tung
va phuong » va thuong, cac phuong
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan
phan lap » phan dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo chieu sach - ((manh tuong) or (manh tung)) va phuong cong doan phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((manh tuong) OR (manh tung)) va phuong cong doan phan lap.
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((manh tuong) or (manh tung)) va phuong cong doan phan lap*.