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