Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dac co phan slippers" » "dac cho phan slippers", "cac co phan slippers", "dau co phan slippers", "dac co phan slippery", "dac co phan 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: (((("dac co phan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dac co phan slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dac co phan slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dac co phan slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.