Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luoc dai we snippets" » "cuoc doi we snippets", "hoc dai we snippets", "duc dai we snippets", "luoc dai de snippets", "luoc dai ve 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: (((("luoc dai we snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("luoc dai we snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luoc dai we snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luoc dai we snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.