Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ket thuc can snippets" » "kien thuc can snippets", "viet thuc can snippets", "ve thuc can snippets", "ket thuc chan snippets", "ket thuc dan snippets", "ket thuc van 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: (((("ket thuc 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: (((("ket thuc can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ket thuc can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ket thuc can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.