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