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