Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"can tai he snippets" » "van tai he snippets", "cao tai he snippets", "han tai he snippets", "can tai hoe snippets", "can tai ha snippets", "can 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: (((("can 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: (((("can tai he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( can tai he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("can tai he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.