Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"long soc cao snippets" » "lon soc cao snippets", "luong suc cao snippets", "cong so cao snippets", "long hoc cao snippets", "long toc cao snippets", "long doc cao 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: (((("long soc 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: (((("long soc cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( long soc cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("long soc cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.