Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"ban thi choi snippets" » "ban tro choi snippets", "ban thi hai snippets", "ban thi hoa snippets", "dan thi choi snippets", "van thi choi snippets", "can thi choi 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: (((("ban thi choi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("ban thi choi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( ban thi choi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("ban thi choi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.