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