Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"hao dan ong snippets" » "dao dan ong snippets", "hao van ong snippets", "hat dan ong snippets", "hao dan dong snippets", "hao dang cong snippets", "hao dan trong 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: (((("hao dan 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: (((("hao dan ong snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( hao dan ong snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("hao dan ong snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.