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