Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hoc chiet » hoc nhiet, hoc hien, hoc viet
hoc thiet » hoc thieu, hoc thuyet, hoc hien
tranh cua » doanh cua, manh cua
cua nhung » va nhung
thanh ban » thanh san, thanh van, thanh bac
cong dan » cong san, cong tan, huong dan
than ban » toan ban, than man, nhuan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chiet) or (hoc thiet)) tach - canh tranh cua nhung cong dan ((than ban) OR (thanh ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chiet) OR (hoc thiet)) tach - canh tranh cua nhung cong dan ((than ban) OR (thanh ban))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((hoc chiet) or (hoc thiet)) tach - canh tranh cua nhung cong dan ((than ban) OR (thanh ban))*".