Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"nhan so hoa snippets" » "nhan su hoa snippets", "nhat so hoa snippets", "nhan mo hoa snippets", "nhan do hoa snippets", "nhan so ha 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: (((("nhan so 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: (((("nhan so hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( nhan so hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("nhan so hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.