Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao song cuu snippets" » "dao dong cuu snippets", "dao tong cuu snippets", "do song cuu snippets", "dao song cua snippets", "dao song ngu snippets", "dao 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: (((("dao 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: (((("dao song cuu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao song cuu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao song cuu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.