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