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