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