Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dao co da snippets" » "dao cao da snippets", "dao cho da snippets", "dao o da snippets", "dao co dan snippets", "dao co dai snippets", "dao co dau 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 co da 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 co da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dao co da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dao co da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.