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