Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"vong lon chi snippets" » "cong lon chi snippets", "rong lon chi snippets", "vong lo chi snippets", "vong long chi snippets", "vong con chi snippets", "vong luan chi 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: (((("vong lon chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("vong lon chi snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( vong lon chi snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("vong lon chi snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.