Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"data cau tre snippets" » "dat cau tre snippets", "da cau tre snippets", "danh cau tre snippets", "data cau tren snippets", "data cau treo snippets", "data cau tra 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: (((("data cau tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("data cau tre snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( data cau tre snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("data cau tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.