Perhaps you should try some spelling variations:
"phung trinh luat vag. biet the lieu va xac" » "phuong trinh luat vag. biet the lieu va xac", "chuong trinh luat vag. biet the lieu va xac", "hung thinh luat vag. biet the lieu va xac", "phung trinh luat va. biet the lieu va xac", "phung trinh luan van. biet the lieu va xac", "phung trinh xuat va. biet the lieu va xac", "phung trinh luat vag. biet the lieu va cac"
"nhung thoi quan luan. biet the hieu luc xuc" » "nhung thi quan luan. biet the hieu luc xuc", "phung thi quan luan. biet the hieu luc xuc", "nhung loi quan luan. biet the hieu luc xuc", "nhung thoi quen luan. biet the hieu luc xuc", "nhung thong quan luan. biet the hieu luc xuc", "nhung thoi quan luan. biet the hieu luat xuc", "nhung thoi quan luan. biet the hieu qua 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 quan luan. biet the hieu luc xuc") or ("phung trinh luat vag. biet the lieu va xac"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("nhung thoi quan luan. biet the hieu luc xuc") OR ("phung trinh luat vag. biet the lieu va xac")).
• Removing quotes may allow a broader search: (( nhung thoi quan luan. biet the hieu luc xuc ) or ( phung trinh luat vag. biet the lieu va xac )).
• Adding a wildcard symbol may retrieve word variants: (("nhung thoi quan luan. biet the hieu luc xuc") or ("phung trinh luat vag. biet the lieu va xac"))*.