Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phai cua he snippets" » "thai cua he snippets", "hai cua he snippets", "phat cua he snippets", "phai cua che snippets", "phai cua te snippets", "phai cua 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: (((("phai cua 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: (((("phai cua he snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phai cua he snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phai cua he snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.