Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tu can chap snippets" » "tu can chan snippets", "tu cau chap snippets", "tu cang chai snippets", "tu ban chap snippets", "tu cac chap snippets", "su can 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: (((("tu can 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: (((("tu can chap snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tu can chap snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tu can chap snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.