Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich mo cho snippets" » "dich mot cho snippets", "dich ho cho snippets", "dich so cho snippets", "dich mo chon snippets", "dich moi cho snippets", "dich mo ho 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: (((("dich mo 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: (((("dich mo cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich mo cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich mo cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.