Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"song cong da snippets" » "cong cong da snippets", "tong cong da snippets", "song hong da snippets", "song cong dan snippets", "song cong dac snippets", "song cong 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: (((("song cong 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: (((("song cong da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( song cong da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("song cong da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.