Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"con nghe co snippets" » "cong nghe co snippets", "chon nghe co snippets", "can nghe co snippets", "con nghe che snippets", "con nghe hoa snippets", "con nghe noi 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: (((("con nghe co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("con nghe co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( con nghe co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("con nghe co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.