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