Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"doi giay cau snippets" » "doi giam cau snippets", "loi giai cau snippets", "toc giay cau snippets", "doi gian cac snippets", "doi gia cam snippets", "doi gia cat 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 giay 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: (((("doi giay cau snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( doi giay cau snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("doi giay cau snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.