Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bat ban tre snippets" » "bat can tre snippets", "bat bao tre snippets", "byt ban tre snippets", "bat ben tre snippets", "bat ban tro snippets", "bat benh tre 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 ban tre 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 ban tre snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bat ban tre snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bat ban tre snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.