Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ham bi cong snippets" » "ham bo cong snippets", "ham tai cong snippets", "ham thi cong snippets", "cham bi cong snippets", "ham bai cong snippets", "tam bi cong 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: (((("ham bi cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ham bi cong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ham bi cong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ham bi cong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.