Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"lay cau chap snippets" » "lay cau cham snippets", "lay cau chan snippets", "lay cau phap snippets", "giay cau chap snippets", "luat cau chap 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: (((("lay cau chap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("lay cau chap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( lay cau chap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("lay cau chap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.