Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc tho cua snippets" » "tuc tho cua snippets", "toc kho cua snippets", "toc thai cua snippets", "toc thao cua snippets", "toc tho ca snippets", "toc tro cua 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: (((("toc tho cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("toc tho cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc tho cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc tho cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.