Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bat quoc cho snippets" » "bat buoc cho snippets", "vat quoc cho snippets", "bat chuoc cho snippets", "bat nuoc cho snippets", "bat quoc cao snippets", "bat quoc co 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: (((("bat quoc 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: (((("bat quoc cho snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bat quoc cho snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bat quoc cho snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.