Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dam cao song snippets" » "dam cao cong snippets", "dam cao son snippets", "dam cao dong snippets", "dam bao song snippets", "nam cao song snippets", "dam rao song 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: (((("dam cao song snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dam cao song snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dam cao song snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dam cao song snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.