Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"tra duc con snippets" » "tran duc con snippets", "tra du con snippets", "tran duy con snippets", "tra duc cong snippets", "tra duc ton snippets", "tra duc cuong 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: (((("tra duc con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("tra duc con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( tra duc con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("tra duc con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.