Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"bat tu cao snippets" » "vat tu cao snippets", "bat hu cao snippets", "bat cu cao snippets", "bat tu cac snippets", "bat vu cao 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 tu cao 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 tu cao snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( bat tu cao snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("bat tu cao snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.