Perhaps you should try some spelling variations:
"phung thi xuan van. biet the khien gian xu" » "phung thi xuan van. biet the khien giam xu", "phung thi xuan van. biet the thien giap xu", "phung thi xuan van. biet the kien giang xu", "phung thi xa van. biet the khien gian xu", "phung thi lan van. biet the khien gian xu", "phung thi luan van. biet the khien gian xu", "phung thi quan van. biet the khien gian xu", "phung thi xuan can. biet the khien gian xu"
"phung thi quan luan. biet the hien cam xuc" » "phung tri quan luan. biet the hien cam xuc", "phung thi luan luan. biet the hien cam xuc", "phung phi quan luan. biet the hien cam xuc", "phung thi quan luan. biet the hien cac xuc", "phung thi quan luan. biet the hien cau xuc", "phung thi quan luan. 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: (("phung thi xuan van. biet the khien gian xu") or ("phung thi quan luan. biet the hien cam xuc"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("phung thi xuan van. biet the khien gian xu") OR ("phung thi quan luan. biet the hien cam xuc")).
• Removing quotes may allow a broader search: (( phung thi xuan van. biet the khien gian xu ) or ( phung thi quan luan. biet the hien cam xuc )).
• Adding a wildcard symbol may retrieve word variants: (("phung thi xuan van. biet the khien gian xu") or ("phung thi quan luan. biet the hien cam xuc"))*.