Perhaps you should try some spelling variations:
"ki nang quan luong kiem soat" » "ki nang luan luong kiem soat", "ki nang quan long kiem soat", "ki nang quan duong kiem soat", "ki nang quan luong dien soat", "ki nang quan luong giam soat", "ki nang quan luong viet soat", "ki ban quan luong kiem soat", "ki nang suat luong kiem soat", "ki nang quan luong kiem toan", "ky nang quan luong kiem soat"
"tinh quang toan va hieu soat" » "tinh quang tuan va hieu soat", "tinh quang tran va hieu soat", "tinh quang doan va hieu soat", "tinh quang toan va hieu suat", "tinh quang toan va hieu hoat", "tinh quang toan va hieu luat", "tinh quang tran van hieu soat", "tinh quang toan ban hieu soat", "tinh quang toan van hieu soat", "tinh quang toan va dieu soat", "tinh quang toan va hien soat"

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

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