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