Perhaps you should try some spelling variations:
"quan tri danh nghiep." » "quan tri doanh nghiep." (Expand Search), "quan tri dan nghiep." (Expand Search), "quan tri dinh nghiep." (Expand Search), "quan trinh danh nghiep." (Expand Search), "quan tri thanh nghiep." (Expand Search), "quan tri kinh nghiep." (Expand Search)
"quan tri hanh nghiep." » "quan tri hanh nghien." (Expand Search), "quan tri doanh nghiep." (Expand Search), "quan tri thanh nghiem." (Expand Search), "quan tri kinh nghiep." (Expand Search), "quan tri nhan nghiep." (Expand Search), "quan tri tinh nghiep." (Expand Search)
"tran thi hanh nghiep." » "tran thi hanh nghien." (Expand Search), "tran thi doanh nghiep." (Expand Search), "tran thi thanh nghiem." (Expand Search), "tran thi thanh nghiep." (Expand Search), "tran thi hong nghiep." (Expand Search)

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("quan tri danh nghiep.") OR ((("quan tri hanh nghiep.") OR ("tran thi hanh nghiep."))))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"quan tri danh nghiep.\") OR (((\"quan tri hanh nghiep.\") OR (\"tran thi hanh nghiep.\"))))".
• Removing quotes may allow a broader search: (( quan tri danh nghiep. ) OR ((( quan tri hanh nghiep. ) OR ( tran thi hanh nghiep. )))).
• Adding a wildcard symbol may retrieve word variants: (("quan tri danh nghiep.") OR ((("quan tri hanh nghiep.") OR ("tran thi hanh nghiep."))))*.