Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"moi nhat vo snippets" » "moi bat vo snippets", "hoi nhap vo snippets", "moi nhat ve snippets", "moi nhat so snippets", "moi nhat vu 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 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: (((("moi nhat vo snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( moi nhat vo snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("moi nhat vo snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.