Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ngoc ton cho snippets" » "ngoc toan cho snippets", "ngoc son cho snippets", "ngoc tan cho snippets", "ngoc ton kho snippets", "ngoc trong cho 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 ton cho 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 ton cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ngoc ton cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ngoc ton cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.