Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho dung le snippets" » "cho dong le snippets", "cho ung le snippets", "chan dung le snippets", "cho dung len snippets", "cho dung he snippets", "cho dung de 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 dung le 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 dung le snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho dung le snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho dung le snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.