Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ghep noi hoa snippets" » "nghe noi hoa snippets", "ghep noi khoa snippets", "ghep boi hoa snippets", "ghep doi hoa 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: (((("ghep noi 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: (((("ghep noi hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ghep noi hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ghep noi hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.