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