Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bat than cua snippets" » "ban than cua snippets", "bay than cua snippets", "ban thanh cua snippets", "bat nhan cua snippets", "bat thai cua snippets", "bat ban cua 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 than cua 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 than cua snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bat than cua snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bat than cua snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.