Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"men tung ho snippets" » "men tong ho snippets", "mien trung ho snippets", "manh tung ho snippets", "men tuong ho snippets", "men trung hoc snippets", "men trung hoa 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: (((("men tung ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("men tung ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( men tung ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("men tung ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.