Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoi va te snippets" » "hoi va te snippets", "khi va te snippets", "choi va te snippets", "khoi va tre snippets", "khoi va ten snippets", "khoi va tu 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: (((("khoi va te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoi va te snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoi va te snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoi va te snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.