Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luoc cac son snippets" » "duoc cac son snippets", "luoc can son snippets", "quoc cac son snippets", "luoc cac mon snippets", "luoc cao son snippets", "luoc bac son 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 cac son 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 cac son snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luoc cac son snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luoc cac son snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.