Perhaps you should try some spelling variations:
"nhung gi quen hanh. biet the hien cau truc" » "nhung gi quen thanh. biet the hien cau truc", "nhung gi quan hanh. biet the hien cau truc", "nhung gi quang hanh. biet the hien cau truc", "nhung bi quen hanh. biet the hien cau truc", "nhung gi quen hanh. biet the khien cau truc", "nhung gi quen hanh. biet the thien cau truc", "nhung gi quen hanh. biet the hien cac truc", "nhung si quyen hanh. biet the hien cau truc"
"nhung bai quan van. biet the hien cam xuc" » "nhung hai quan van. biet the hien cam xuc", "nhung ban quan van. biet the hien cam xuc", "nhung mai quan van. biet the hien cam xuc", "nhung bai luan van. biet the hien cam xuc", "nhung bai quan va. biet the hien cam xuc", "nhung bai quan luan. biet the hien cam xuc", "nhung bai quan van. biet the hien cac xuc", "nhung bai quan van. biet the hien giam xuc", "nhung bai quan van. biet the hien tham 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 gi quen hanh. biet the hien cau truc") or ("nhung bai quan van. biet the hien cam xuc"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("nhung gi quen hanh. biet the hien cau truc") OR ("nhung bai quan van. biet the hien cam xuc")).
• Removing quotes may allow a broader search: (( nhung gi quen hanh. biet the hien cau truc ) or ( nhung bai quan van. biet the hien cam xuc )).
• Adding a wildcard symbol may retrieve word variants: (("nhung gi quen hanh. biet the hien cau truc") or ("nhung bai quan van. biet the hien cam xuc"))*.