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