Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"co kiem toan snippets" » "co kiem code snippets", "co ke toan snippets", "co kiem tra snippets", "co kem toan snippets", "ro kiem toan snippets", "hoi kiem toan snippets"
"python using java snippets" » "python using data snippets"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("co kiem toan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("co kiem toan snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( co kiem toan snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("co kiem toan snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.