Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chiu dong do snippets" » "chiu dong dao snippets", "chiu dong co snippets", "chiu dang do snippets", "chieu dong do snippets", "chu dong do snippets", "chi dong do 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: (((("chiu dong do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chiu dong do snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chiu dong do snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chiu dong do snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.