Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan su voi snippets" » "dan su voi snippets", "van su voi snippets", "ban su voi snippets", "tan sua voi snippets", "tan su vi snippets", "tan so voi 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: (((("tan su voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan su voi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan su voi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan su voi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.