Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoa mong ho snippets" » "khoa cong ho snippets", "khoa nong ho snippets", "khong mong ho snippets", "khoa dong ho snippets", "khoa mong hy 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: (((("khoa mong ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoa mong ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoa mong ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoa mong ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.