Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bai thi choi snippets" » "bai tro choi snippets", "bai thi hai snippets", "bai thi hoa snippets", "bui thi choi snippets", "ban thi choi snippets", "tai 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: (((("bai 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: (((("bai thi choi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bai thi choi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bai thi choi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.