Perhaps you should try some spelling variations:
"phi van son grippers" » "phi van soft grippers", "phi san son grippers", "thi van son grippers", "phi va son grippers", "phi van dong grippers", "phi van cong grippers", "phi van sung 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 son 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 son grippers") OR ("python using java slippery"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi van son grippers ) or ( python using java slippery ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi van son grippers") or ("python using java slippery"))) or ("locating bug code snippets"))*.