Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chan nan cau snippets" » "chan nhan cau snippets", "chang nang cau snippets", "chan doan cau snippets", "chan nang cau snippets", "chan nano cau snippets", "chan van cau 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: (((("chan nan cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("chan nan cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chan nan cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chan nan cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.