Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"moi cua cach snippets" » "moi cua cac snippets", "moi ca cach snippets", "moi cua bach snippets", "hoi cua cach snippets", "doi cua cach snippets", "moi quan cach 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 cua cach 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 cua cach snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( moi cua cach snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("moi cua cach snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.