Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi thoai cu snippets" » "hoi thoai cu snippets", "doi thoi cu snippets", "doi ngoai cu snippets", "doi thoai cac snippets", "doi thai cua snippets", "doi thi cu 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: (((("doi thoai cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("doi thoai cu snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi thoai cu snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi thoai cu snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.