Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chan da cau snippets" » "can da cau snippets", "chan ta cau snippets", "chan doan cau snippets", "chan dat cau snippets", "chan va 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 da 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 da cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chan da cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chan da cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.