Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"den son toc snippets" » "yen son toc snippets", "den soc toc snippets", "dong son toc snippets", "den so toc snippets", "den son nuoc snippets", "den song toi 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: (((("python using java snippets") or ("den son toc snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("den son toc snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( den son toc snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("den son toc snippets"))) or ("locating bug code snippets"))*.