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