Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dam dan hoat snippets" » "dam van hoa snippets", "dam dan hoc snippets", "dam danh hoa snippets", "nam dan hoat snippets", "dao dan hoat snippets", "dam dac hoat 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 dan hoat 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 dan hoat snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dam dan hoat snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dam dan hoat snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.