Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luc nhan mo snippets" » "luc nhat mo snippets", "cu nhan mo snippets", "tue nhan mo snippets", "luc nhan my snippets", "luc phan mo snippets", "luc nhap mon 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: (((("luc nhan 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: (((("luc nhan mo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luc nhan mo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luc nhan mo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.