Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"noi doi cham snippets" » "noi hoi cham snippets", "noi goi cham snippets", "noi toc cham snippets", "voi doi cham snippets", "hoi doi cham snippets", "moi doi cham 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: (((("noi doi cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("noi doi cham snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( noi doi cham snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("noi doi cham snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.