Perhaps you should try some spelling variations:
doi chieu » doc hieu, doi chi, ho chieu
hoc thieu » toc thieu, hoc hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
dong ban » dong bang, dong san, dong bac
dong hoc » dong co, dong luc
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (hoc thieu)) tach - canh tranh cua nhung ((dong ban) or (dong hoc)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (hoc thieu)) tach - canh tranh cua nhung ((dong ban) OR (dong hoc)) toan tap.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (hoc thieu)) tach - canh tranh cua nhung ((dong ban) or (dong hoc)) toan tap*.