Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phi loai cua snippets" » "phi loi cua snippets", "phan loai cua snippets", "phap loai cua snippets", "phi lai cua snippets", "phi loai ca snippets", "phi loai va 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: (((("phi loai cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phi loai cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phi loai cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phi loai cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.