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