Perhaps you should try some spelling variations:
"minh tuang luan va kiem soat" » "minh tuan luan va kiem soat", "minh quang luan va kiem soat", "minh tuong luan va kiem soat", "minh tang luan va kiem soat", "minh truong luan va kiem soat", "minh dung luan va kiem soat", "minh tuang luan va kiem toan", "minh tuang luan van kiem soat", "minh tuang luat va kiem soat", "minh tuang luan van kien soat"
"manh quan hang va hieu suat" » "manh tuan hang va hieu suat", "anh quan hang va hieu suat", "minh quang hang va hieu suat", "manh quan hoang va hieu suat", "manh quan lang va hieu suat", "manh quan hanh va hieu suat", "manh quan hang va hieu luat", "manh quan hang va hieu qua", "manh quan hang van hieu suat", "manh quan hang va dieu suat", "manh quan hang va hien suat"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("minh tuang luan va kiem soat") or ("manh quan hang va hieu suat"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("minh tuang luan va kiem soat") OR ("manh quan hang va hieu suat")).
• Removing quotes may allow a broader search: (( minh tuang luan va kiem soat ) or ( manh quan hang va hieu suat )).
• Adding a wildcard symbol may retrieve word variants: (("minh tuang luan va kiem soat") or ("manh quan hang va hieu suat"))*.