Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bui cong dot snippets" » "bi cong dot snippets", "bui hong dot snippets", "bui chuong dot snippets", "bui cong mot snippets", "bui cong dong snippets", "bui cong doan 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: (((("bui cong dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bui cong dot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bui cong dot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bui cong dot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.