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