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