Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap ky hoat snippets" » "phap ly hoat snippets", "pham ky hoat snippets", "phap day hoat snippets", "phap ky hoa snippets", "phap ky thuat snippets"
"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: (((("phap ky hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap ky hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap ky hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap ky hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.