Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vuot cao toc snippets" » "vu cao toc snippets", "quoc cao toc snippets", "suat cao toc snippets", "vuot cac toc snippets", "vuot cao hoc snippets", "vuot cao ngoc 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: (((("vuot cao toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vuot cao toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vuot cao toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vuot cao toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.