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 duc han snippets" » "pham duc phan snippets", "pham duc hanh snippets", "pham duc hoan snippets", "phan duc han 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 duc han snippets") OR ("python using java grippers"))) OR ("locating bug code slippers"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"pham duc han snippets\") OR (\"python using java grippers\"))) OR (\"locating bug code slippers\"))".
• Removing quotes may allow a broader search: (((( pham duc han snippets ) OR ( python using java grippers ))) OR ( locating bug code slippers )).
• Adding a wildcard symbol may retrieve word variants: (((("pham duc han snippets") OR ("python using java grippers"))) OR ("locating bug code slippers"))*.