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