Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cach noi doc snippets" » "cach thoi doc snippets", "hanh noi doc snippets", "anh noi doc snippets", "cach noi doi snippets", "cach ngon doc 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 doc 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 doc snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cach noi doc snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cach noi doc snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.