Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"toc bo cua snippets" » "hoc bo cua snippets", "toc co cua snippets", "toc ba cua snippets", "toc bao cua snippets", "toc do 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 bo 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 bo cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( toc bo cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("toc bo cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.