Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bui cong chu snippets" » "bi cong chu snippets", "bui hong chu snippets", "bui chuong chu snippets", "bui cong chuc snippets", "bui cong chua snippets", "bui cong cu 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 chu 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 chu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bui cong chu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bui cong chu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.