Perhaps you should try some spelling variations:
phuong manh » phuong anh, phung manh, phuong danh
chieu sach » chiet tach, chieu sang, chieu xanh
cua truong » xuan truong, cac truong, xa truong
hanh mang » nhanh mang, hanh trang, nhanh lang
cua trung » xuan trung, cua nhung, ba trung
manh toan » thanh toan, anh tuan, tinh toan
toan ban » van ban

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) or (chinh sach)) - hanh mang ((cua truong) OR (cua trung)) phuong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chinh sach)) - hanh mang ((cua truong) OR (cua trung)) phuong manh toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) or (chinh sach)) - hanh mang ((cua truong) OR (cua trung)) phuong manh toan ban".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chinh sach)) - hanh mang ((cua truong) OR (cua trung)) phuong manh toan ban*.