Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dich tu cao snippets" » "dich vu cao snippets", "dich te cao snippets", "dinh tu cao snippets", "dich cu cao snippets", "dich tu cac 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 tu cao 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 tu cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dich tu cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dich tu cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.