Perhaps you should try some spelling variations:
"first graph specification document" » "first graph classification document", "first graph specification driven", "first graph specific document", "first graph sparsification document", "first graph verification document", "first graphical specification document", "first grade specification document", "first grand specification document"
"first graphs specification document" » "first graphs classification document", "first graphs specification driven", "first graphs specific document", "first graphical specification document", "first proofs specification document", "first programs specification document", "first graphql specification document", "first graphite specification document", "first graders specification document", "first grades specification document", "first grands specification document"

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"first graph specification document\") OR (\"first graphs specification document\"))".
• Removing quotes may allow a broader search: (( first graph specification document ) OR ( first graphs specification document )).
• Adding a wildcard symbol may retrieve word variants: (("first graph specification document") OR ("first graphs specification document"))*.