Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"pham can hat slippers" » "pham van hat slippers", "pham lan hat slippers", "pham ca hat slippers", "pham cau hat slippers", "pham cac hat slippers", "pham can hat slippery", "pham can hat grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

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

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