Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dam phan da snippets" » "d phan da snippets", "va phan da snippets", "van phan da snippets", "dam phan dau snippets", "dam phan dai snippets", "dam phan day 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 phan 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: (((("dam phan da snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dam phan da snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dam phan da snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.