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