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