Perhaps you should try some spelling variations:
"nhung loi quen vang. biet the thien giap xuc" » "nhung bai quen vang. biet the thien giap xuc", "nhung bi quen vang. biet the thien giap xuc", "nhung gi quen vang. biet the thien giap xuc", "nhung loi quan van. biet the thien giap xuc", "nhung loi que van. biet the thien giap xuc", "nhung loi que lang. biet the thien giap xuc", "nhung loi que vang. biet the thien giap xuc", "nhung thoi quen vang. biet the thien giap xuc", "nhung moi quan vang. biet the thien giap xuc", "nhung loi quen vang. biet the thien giap duc", "nhung loi quen vang. biet the thien gian xu", "nhung loi quen vang. biet the thien gia muc"
"nhung loi luan van. biet the hien cam xuc" » "nhung bai luan van. biet the hien cam xuc", "nhung bi luan van. biet the hien cam xuc", "nhung gi luan van. biet the hien cam xuc", "nhung li luan van. biet the hien cam xuc", "nhung hoi luan van. biet the hien cam xuc", "nhung loi lan van. biet the hien cam xuc", "nhung loi luan van. biet the hien cac xuc", "nhung loi luan van. biet the hien cau xuc", "nhung loi luan van. biet the hien giam 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 loi quen vang. biet the thien giap xuc") or ("nhung loi luan van. biet the hien cam xuc"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("nhung loi quen vang. biet the thien giap xuc") OR ("nhung loi luan van. biet the hien cam xuc")).
• Removing quotes may allow a broader search: (( nhung loi quen vang. biet the thien giap xuc ) or ( nhung loi luan van. biet the hien cam xuc )).
• Adding a wildcard symbol may retrieve word variants: (("nhung loi quen vang. biet the thien giap xuc") or ("nhung loi luan van. biet the hien cam xuc"))*.