Perhaps you should try some spelling variations:
"dao de dat grippers" » "dao de soft grippers", "dao den dat grippers", "nao de dat grippers", "dai de dat grippers", "dao de dao grippers"
"python using java slippers" » "python using data slippers", "python using java slippery"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

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: "((((\"dao de dat grippers\") OR (\"python using java slippers\"))) OR (\"locating bug code snippets\"))~".
• Removing quotes may allow a broader search: (((( dao de dat grippers ) OR ( python using java slippers ))) OR ( locating bug code snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("dao de dat grippers") OR ("python using java slippers"))) OR ("locating bug code snippets"))*.