Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lich dan soc snippets" » "lich danh soc snippets", "lich can soc snippets", "lich han soc snippets", "lich dan toc snippets", "lich dan hoc snippets", "lich dan so 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: (((("lich dan soc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lich dan soc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lich dan soc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lich dan soc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.