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