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