Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"dan cach tot snippets" » "dan cac tot snippets", "dan canh tot snippets", "nhan cach tot snippets", "dan cach thoi snippets", "dan cac toi snippets", "dan hanh tot 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: (((("dan cach tot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("dan cach tot snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( dan cach tot snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("dan cach tot snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.