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