Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chat moi doi snippets" » "nhat moi doi snippets", "thuat moi doi snippets", "cho moi doi snippets", "chat voi doi snippets", "chat hoi doi snippets", "chat moi voi 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: (((("chat moi 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: (((("chat moi doi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chat moi doi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat moi doi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.