Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hang loi con snippets" » "thang loi con snippets", "hang doi con snippets", "tang loi con snippets", "hang lon con snippets", "hang loi can snippets", "hang loi co 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 loi con 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 loi con snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hang loi con snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hang loi con snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.