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