Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"luoc cung ca snippets" » "luoc cong ca snippets", "luoc ung ca snippets", "quoc cuong ca snippets", "luoc cung cap snippets", "luoc cung cua snippets", "luoc cung cac 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 cung ca 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 cung ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( luoc cung ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("luoc cung ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.