Perhaps you should try some spelling variations:
"tinh dung luan va kiem soat" » "trinh dung luan va kiem soat", "tin dung luan va kiem soat", "tinh huong luan va kiem soat", "tinh dung luan va kiem toan", "tinh dung luan van kiem soat", "tinh dung luat va kiem soat", "tinh dung luan van kien soat"
"tinh quang cua van hieu soat" » "tinh quan cua van hieu soat", "tinh quang tuan van hieu soat", "tinh quang huy van hieu soat", "tinh quang cua van hieu suat", "tinh quang cua van hieu hoat", "tinh quang cua van hieu luat", "tinh quang cua cao hieu soat", "tinh quang cua ban hieu soat", "tinh quang cua vat hieu soat", "tinh quang cua dan hieu soat"

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

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