Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"kem theo con snippets" » "kem theo cong snippets", "kem theo don snippets", "kem theo tcvn snippets", "kiem theo con 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: (((("kem theo con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("kem theo con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( kem theo con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("kem theo con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.