Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dam van di snippets" » "dao van di snippets", "nam van di snippets", "pham van di snippets", "dam van dip snippets", "dam van dai snippets", "dam van doi 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 van di 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 van di snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dam van di snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dam van di snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.