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