Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"moi nhat cac snippets" » "moi bat cac snippets", "hoi nhap cac snippets", "moi nhan cach snippets", "moi nhat ban snippets", "moi nhat cua 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: (((("moi nhat cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("moi nhat cac snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( moi nhat cac snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("moi nhat cac snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.