Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phap vat hoa snippets" » "phap luat hoa snippets", "phap phat hoa snippets", "phap viet hoa snippets", "phap vat khoa snippets", "phap van hoa snippets", "phap vat hoc 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: (((("phap vat hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phap vat hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phap vat hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phap vat hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.