Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"giao dat so snippets" » "gian dat so snippets", "gia dat so snippets", "giao dan so snippets", "giao dat o snippets", "giao dat su snippets", "giao dat vo 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: (((("giao dat so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("giao dat so snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( giao dat so snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("giao dat so snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.