Perhaps you should try some spelling variations:
hien chong » chien chong, hien cong, hien chung
luong cong » dung cong, trong cong, cong cong
hanh dung » thanh dung, anh dung, hanh dong
cua luong » cu luong, cua huong, chat luong
manh toan » thanh toan, anh tuan, tinh toan
dung cua » dung luan, dung cho
dan than » dan chan, ban than, van than

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien chong - hanh dung cua luong cong ((manh toan) or (dan than)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hien chong - hanh dung cua luong cong ((manh toan) OR (dan than)) cau.
• Adding a wildcard symbol may retrieve word variants: hoc hien chong - hanh dung cua luong cong ((manh toan) or (dan than)) cau*.