Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tang cay cho snippets" » "tang ca cho snippets", "trong cay cho snippets", "thong cay cho snippets", "tang cap cho snippets", "tang cao cho snippets", "tang cay co 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: (((("tang cay cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tang cay cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tang cay cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tang cay cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.