Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"han moi de snippets" » "hanh moi de snippets", "phan moi de snippets", "ban moi de snippets", "han moi den snippets", "han moi ve snippets", "han moi ke 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: (((("han moi de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("han moi de snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( han moi de snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("han moi de snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.