Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cham cua toc snippets" » "chat cua toc snippets", "cham cuu toc snippets", "ham cua toc snippets", "cham cua hoc snippets", "cham cua toi snippets", "cham cua tuc 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 cua 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 cua toc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cham cua toc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cham cua toc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.