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