Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"phan dau ong snippets" » "phan tu ong snippets", "hang dau ong snippets", "phan dan ong snippets", "phan dau trong snippets", "phan dau tuong 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: (((("phan dau ong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("phan dau ong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( phan dau ong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("phan dau ong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.