Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat phap hoc snippets" » "dap phap hoc snippets", "luat phap hoc snippets", "danh phap hoc snippets", "dat phap hoan snippets", "dat phap mo snippets", "dat phap han 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: (((("dat phap 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: (((("dat phap hoc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat phap hoc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat phap hoc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.