Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu cau chap snippets" » "chu cau cham snippets", "chu cau chan snippets", "chu cau phap snippets", "chua cau chap snippets", "nhu cau chap snippets", "chu cai 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: (((("chu 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: (((("chu cau chap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu cau chap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu cau chap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.