Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"chat mao can snippets" » "chat bao can snippets", "chat cao can snippets", "chat va can snippets", "chat mao van snippets", "chat mao con snippets", "chat mat can 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 mao can 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 mao can snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( chat mao can snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("chat mao can snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.