Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dia danh toc snippets" » "dia ban toc snippets", "gia dinh toc snippets", "dia dan toc snippets", "dia danh hoc snippets", "dia danh thuc 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: (((("dia danh 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: (((("dia danh toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dia danh toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dia danh toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.