Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham mat toc snippets" » "ham mat toc snippets", "nham mat toc snippets", "pham ma toc snippets", "cham mat troi snippets", "cham mat tich 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: (((("cham mat 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: (((("cham mat toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham mat toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham mat toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.