Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho ung deu snippets" » "cho nhung deu snippets", "cho cong deu snippets", "cho hang deu snippets", "cho dung deu snippets", "cho dung dau snippets", "cho rung dau 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 deu 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 deu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho ung deu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho ung deu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.