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