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