Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho ung hoa snippets" » "cho nhung hoa snippets", "cho cong hoa snippets", "cho hang hoa snippets", "cho trung hoa snippets", "cho dong hoa 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: (((("cho ung hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho ung hoa snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho ung hoa snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho ung hoa snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.