Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phe hinh hoc snippets" » "phe binh hoc snippets", "che chinh hoc snippets", "phuc hinh hoc snippets", "phe sinh hoc snippets", "phe tin hoc snippets", "phe benh 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: (((("phe hinh hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phe hinh hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phe hinh hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phe hinh hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.