Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"song tao cao snippets" » "sang tao cao snippets", "song tam cao snippets", "song giao cao snippets", "song bao cao snippets", "song toan cao 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 tao cao 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 tao cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( song tao cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("song tao cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.