Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bot cong cau snippets" » "bo cong cau snippets", "mot cong cau snippets", "bat cong cau snippets", "bot cong cu snippets", "bot cong chuc snippets", "bot thong 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: (((("bot cong 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: (((("bot cong cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bot cong cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bot cong cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.