Perhaps you should try some spelling variations:
hoc thiet » hoc thieu, hoc thuyet, hoc hien
tranh cua » doanh cua, manh cua
ho chiet » ho chieu, ho thiet, hoa thiet
dan cong » dang cong, van cong, ban cong
dan dong » van dong, dan dung, dao dong
tan toan » tan tran, tap toan, van toan
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chiet) OR (hoc thiet)) tach - canh tranh cua ((dan cong) OR (dan dong)) tan toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chiet) or (hoc thiet)) tach - canh tranh cua ((dan cong) OR (dan dong)) tan toan ban~".
• Adding a wildcard symbol may retrieve word variants: ((ho chiet) or (hoc thiet)) tach - canh tranh cua ((dan cong) OR (dan dong)) tan toan ban*.