Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
trang luan » tang luan, tranh luan, trang tuan
phung dung » phuong dung, nhung dung, phung dang
hieu manh » chieu xanh, hieu nganh, dieu hanh
hung dung » nhung dung, ung dung, dung dung
danh toan » anh toan, dan toan, dang toan
manh toan » thanh toan, anh tuan, tinh toan
hoc hieu » hoc thieu, hoc hien, doc hieu

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

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