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