Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cuoi dan co snippets" » "choi dan co snippets", "nguoi dan co snippets", "hoi dan co snippets", "cuoi dan cho snippets", "cuoi dang co snippets", "cuoi danh co 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: (((("cuoi dan co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cuoi dan co snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cuoi dan co snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cuoi dan co snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.