Perhaps you should try some spelling variations:
"locating bug code slippers" » "locating bug code snippets", "locating bung code slippers", "locating bugs code slippers"
"python using java grippers" » "python using data grippers"
"pham duy han snippets" » "pham duc han snippets", "pham duy phan snippets", "pham duy van snippets", "pham duy can snippets"

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

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