Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cua cau doan snippets" » "cua cau code snippets", "cua chan doan snippets", "cua cac doanh snippets", "cua cao doanh snippets", "chua cau doan snippets", "cua cac doan snippets", "cua chu doan 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 cau doan 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 cau doan snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( python using java snippets ) or ( cua cau doan snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("python using java snippets") or ("cua cau doan snippets"))) or ("locating bug core snippets"))*.