Perhaps you should try some spelling variations:
luan duong » tuan duong, luan luong, luan dong
duong cong » dung cong, luong cong, duong trong
hanh dung » thanh dung, anh dung, hanh dong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
toan cau » 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: ((hoi chu) or (hoi chuc)) tinh - hanh dung luan duong cong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoi chu) OR (hoi chuc)) tinh - hanh dung luan duong cong manh toan cau*.