Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java slippery" » "python using data slippery", "python using java slippers"
"phi van soft grippers" » "phi van son grippers", "phi a soft grippers", "phi van hoat grippers", "phi san soft grippers", "thi van soft grippers", "phi va soft grippers", "phi van soft slippers"

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

• Performing a fuzzy search may retrieve terms with similar spellings: (((("phi van soft grippers") or ("python using java slippery"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi van soft grippers") OR ("python using java slippery"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( phi van soft grippers ) or ( python using java slippery ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi van soft grippers") or ("python using java slippery"))) or ("locating bug core snippets"))*.