Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hang cau cho snippets" » "hang dau cho snippets", "hang ca cho snippets", "nhung cau cho snippets", "hang cap cho snippets", "hang cao cho snippets", "hang cu cho 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 cau 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 cau cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang cau cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang cau cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.