Perhaps you should try some spelling variations:
"nhung thoi luan van. biet the hieu chat xuc" » "nhung thi luan van. biet the hieu chat xuc", "nhung loi luan van. biet the hieu chat xuc", "nhung tri luan van. biet the hieu chat xuc", "nhung hoi luan van. biet the hieu chat xuc", "nhung thai luan van. biet the hieu chat xuc", "nhung thong luan van. biet the hieu chat xuc", "nhung thoi luan van. biet the hieu nhat xuc", "nhung thoi luan van. biet the hieu luat xuc", "nhung thoi luan van. biet the hieu suat xuc", "nhung thoi luan van. biet the hieu chat huu", "nhung thoi luan van. biet the hieu cam xuc", "nhung thoi luan van. biet the hieu chao xu"
"phung thi luan van. biet the hieu chat xuc" » "phung thi luan van. biet the hieu nhat xuc", "phung thi luan van. biet the hieu luat xuc", "phung thi luan van. biet the hieu suat xuc", "phung thi luan van. biet the hieu chat huu", "phung thi luan van. biet the hieu cam xuc", "phung thi luan van. biet the hieu chao xu", "phung thi lan van. biet the hieu chat xuc", "phung thi xuan van. biet the hieu chat xuc", "phung thi loan van. biet the hieu chat xuc"

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: (("nhung thoi luan van. biet the hieu chat xuc") OR ("phung thi luan van. biet the hieu chat xuc"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"nhung thoi luan van. biet the hieu chat xuc\") OR (\"phung thi luan van. biet the hieu chat xuc\"))".
• Removing quotes may allow a broader search: (( nhung thoi luan van. biet the hieu chat xuc ) OR ( phung thi luan van. biet the hieu chat xuc )).
• Adding a wildcard symbol may retrieve word variants: (("nhung thoi luan van. biet the hieu chat xuc") OR ("phung thi luan van. biet the hieu chat xuc"))*.