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