Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"mong cai don snippets" » "cong cau don snippets", "cong cac don snippets", "dong cac don snippets", "mong cac don snippets", "mong cai dan snippets", "mong cao dong 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: (((("mong cai don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mong cai don snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( mong cai don snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("mong cai don snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.