Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dat hang cau snippets" » "dat khanh cau snippets", "dat quang cau snippets", "tat thang cau snippets", "dat hang dau snippets", "dat hang ca snippets", "dat nhung 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: (((("dat hang 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: (((("dat hang cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dat hang cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dat hang cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.