Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan ky cho snippets" » "pham ky cho snippets", "than ky cho snippets", "phap ky cho snippets", "phan ke cho snippets", "phan ly 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: (((("phan ky 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: (((("phan ky cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan ky cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan ky cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.