Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"khoa va mo snippets" » "khoan va mo snippets", "khoa ma mo snippets", "hoa va mo snippets", "khoa va mot snippets", "khoa va moi snippets", "khoa vi mo 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: (((("khoa va mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("khoa va mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( khoa va mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("khoa va mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.