Perhaps you should try some spelling variations:
"battle of dien gian phu" » "battle of dien giai phu", "battle of kien giang phu", "battle of tien giang phu", "battle of dien san phu", "battle of dien van phu", "battle of dien bien phu"
"battle of dien gian xu" » "battle of dien giai xu", "battle of kien giang xu", "battle of tien giang xu"
"battle of dien giao phu" » "battle of dien gia phu", "battle of dien giai phau", "battle of dien giao thuy"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("battle of dien gian phu") OR ("battle of dien gian xu"))) or ("battle of dien giao phu"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("battle of dien gian phu") OR ("battle of dien gian xu"))) OR ("battle of dien giao phu")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"battle of dien gian phu\") OR (\"battle of dien gian xu\"))) or (\"battle of dien giao phu\"))".
• Removing quotes may allow a broader search: (((( battle of dien gian phu ) OR ( battle of dien gian xu ))) or ( battle of dien giao phu )).
• Adding a wildcard symbol may retrieve word variants: (((("battle of dien gian phu") OR ("battle of dien gian xu"))) or ("battle of dien giao phu"))*.