Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chu tung ho snippets" » "chu ung ho snippets", "phu tung ho snippets", "chu quang ho snippets", "chu tuong ho snippets", "chu trung hoc snippets", "chu 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: (((("chu 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: (((("chu tung ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chu tung ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chu tung ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.