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