Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"diu dan hoc snippets" » "diu dao hoc snippets", "dieu danh hoc snippets", "dien dan hoc snippets", "diu van hoc snippets", "diu dan toc snippets", "diu dai hoc 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: (((("diu dan hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("diu dan hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( diu dan hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("diu dan hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.