Perhaps you should try some spelling variations:
mot chieu » doi chieu, ho chieu
hung luan » chung luan, khung luan, dung luan
luan bang » luan nang, luan ban, luan tang
ho trieu » mot trieu, 25 trieu, 30 trieu
anh hung » anh huong, manh hung, anh dung
cong tac » cong ty
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho trieu) or (mot chieu)) tinh - anh hung luan bang ((cong san) OR (cong tac)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho trieu) OR (mot chieu)) tinh - anh hung luan bang ((cong san) OR (cong tac)) toan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho trieu) or (mot chieu)) tinh - anh hung luan bang ((cong san) OR (cong tac)) toan cao*".