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