Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao tuc cach snippets" » "dao thuc cach snippets", "dao tuc cac snippets", "dao tu cach snippets", "dao duc cach 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 tuc cach 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 tuc cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao tuc cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao tuc cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.