Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cua cua toan snippets" » "cua cua code snippets", "cua cuu toan snippets", "cua xuan toan snippets", "cua cua thanh snippets", "cua chua toan snippets", "ca cua toan snippets", "qua cua toan snippets"
"python using java snippets" » "python using data 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: (((("python using java snippets") or ("cua cua toan snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("python using java snippets") OR ("cua cua toan snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cua cua toan snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cua cua toan snippets"))) or ("locating bug core snippets"))*.