Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thuy do canh snippets" » "thuyet do canh snippets", "thay doi canh snippets", "thuat do canh snippets", "thuy doi canh snippets", "thuy do sanh snippets", "thuy do danh 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: (((("thuy do canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("thuy do canh snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thuy do canh snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thuy do canh snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.