Perhaps you should try some spelling variations:
"tinh quang tuan van hieu soat" » "tinh quang thanh van hieu soat", "tinh quan luan van hieu soat", "tinh quang cua van hieu soat", "tinh quang tuan van hieu suat", "tinh quang tuan van hieu hoat", "tinh quang tuan van hieu luat", "tinh quang luan van hieu soat", "tinh quang tran van hieu soat", "tinh quang tan van hieu soat", "tinh quang tuan cao hieu soat"
"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"

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 tuan 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 tuan van hieu soat")).
• Removing quotes may allow a broader search: (( tinh dung luan va kiem soat ) or ( tinh quang tuan van hieu soat )).
• Adding a wildcard symbol may retrieve word variants: (("tinh dung luan va kiem soat") or ("tinh quang tuan van hieu soat"))*.