Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tan luat hon snippets" » "tang luat hon snippets", "toan luat hon snippets", "dan luat hon snippets", "tan luat hoi snippets", "tan luat hop snippets", "tan luat huong 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: (((("tan luat hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tan luat hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tan luat hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tan luat hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.