Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"com moi cho snippets" » "com mot cho snippets", "com duoi cho snippets", "com moi co snippets", "com hoi cho snippets", "com mo cho 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: (((("com moi cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("com moi cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( com moi cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("com moi cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.