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