Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cot loai ca snippets" » "cot loi ca snippets", "mot loai ca snippets", "so loai ca snippets", "cot loai cay snippets", "cot loai cua snippets", "cot 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: (((("cot 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: (((("cot loai ca snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cot loai ca snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cot loai ca snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.