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