Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhat ly hoa snippets" » "nhat ky hoa snippets", "nhat le hoa snippets", "nha ly hoa snippets", "nhat ly khoa snippets", "nhat ly hoan snippets", "nhat ly hoat 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: (((("nhat ly 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: (((("nhat ly hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhat ly hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhat ly hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.