Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"thi luat hon snippets" » "thai luat hon snippets", "thi luan hon snippets", "thue luat hon snippets", "thi luat hoi snippets", "thi luat hop snippets", "thi 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: (((("thi 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: (((("thi luat hon snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( thi luat hon snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("thi luat hon snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.