Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hang cua ho snippets" » "mang cua ho snippets", "hang ca ho snippets", "huong cua ho snippets", "hang cua hoi snippets", "hang cua hoc snippets", "hang cua hon 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 ho 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 ho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang cua ho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang cua ho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.