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