Perhaps you should try some spelling variations:
nhung duong » nhung dung, nhung huong, nhung tuong
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
sinh toan » tinh toan, hinh toan, sinh ton
minh toan » tinh toan, manh toan, minh tuan
ho chieu » theo chieu, doi chieu, mot chieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (hoc thieu)) sang - canh tranh cua nhung duong ((sinh toan) OR (minh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) sang - canh tranh cua nhung duong ((sinh toan) OR (minh toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) sang - canh tranh cua nhung duong ((sinh toan) OR (minh toan)) cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) sang - canh tranh cua nhung duong ((sinh toan) OR (minh toan)) cau*.