Perhaps you should try some spelling variations:
"r reference conventions" » "r reference conditions", "r reference contents", "r references conversion", "r references conventions", "air references conventions"
"together references solutions" » "together references section", "other references solutions", "further references solutions", "together referencess solutions", "togetheair referencess solutions"

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (("together references solutions") OR ("r reference conventions")).
• Removing quotes may allow a broader search: (( together references solutions ) or ( r reference conventions )).
• Adding a wildcard symbol may retrieve word variants: (("together references solutions") or ("r reference conventions"))*.