Perhaps you should try some spelling variations:
dung phuong » dung thuong, bang phuong, dung chung
chieu sach » chinh sach, chiet tach, chieu sang
manh trung » manh tung, thanh trung, sinh trung
hoc chieu » hoc thieu, ho chieu, hoc hien
manh hung » anh huong
manh toan » thanh toan, tinh toan
ap dung » xay dung, van dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sach - ((manh trung) OR (manh hung)) ap dung phuong ((manh toan) or (anh tuan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc chieu sach - ((manh trung) OR (manh hung)) ap dung phuong ((manh toan) OR (anh tuan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sach - ((manh trung) OR (manh hung)) ap dung phuong ((manh toan) or (anh tuan)) ban".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sach - ((manh trung) OR (manh hung)) ap dung phuong ((manh toan) or (anh tuan)) ban*.