Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngoc long co snippets" » "ngoc huong co snippets", "ngoc hung co snippets", "ngoc lan co snippets", "ngoc dong co snippets", "ngoc cong co snippets", "ngoc lang co 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: (((("ngoc long co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ngoc long co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngoc long co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngoc long co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.