Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mau phan du snippets" » "mau han du snippets", "cau phan du snippets", "mau chan du snippets", "mau phan dau snippets", "mau phan duc snippets", "mau phan dua 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: (((("mau phan du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mau phan du snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mau phan du snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mau phan du snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.