Perhaps you should try some spelling variations:
"phi van hoat grippers" » "phi van soft grippers", "phi van hoa grippers", "phi van hoan grippers", "phi dan hoat grippers", "phi san hoat grippers", "thi van hoat grippers", "phi va hoat grippers"
"python using java slippery" » "python using data slippery", "python using java slippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets", "locating bug code 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 hoat grippers") or ("python using java slippery"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi van hoat grippers") OR ("python using java slippery"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi van hoat grippers ) or ( python using java slippery ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi van hoat grippers") or ("python using java slippery"))) or ("locating bug code snippets"))*.