Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cac tai he snippets" » "cao tai he snippets", "cac bai he snippets", "cac dai he snippets", "cac tai hoe snippets", "cac tai ha snippets", "cac tai le 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: (((("cac tai he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cac tai he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cac tai he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cac tai he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.