Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"cua danh cau snippets" » "cua danh code snippets", "cua doanh cau snippets", "cua dang cau snippets", "cua dan cau snippets", "cua danh dau snippets", "cua danh ca snippets", "cua danh hau 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: (((("cua danh cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cua danh cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( cua danh cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cua danh cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.