Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"moi danh cau snippets" » "moi danh code snippets", "hoi danh cau snippets", "mo danh cau snippets", "moi dan cau snippets", "moi danh dau snippets", "moi danh ca snippets", "moi 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: (((("moi 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: (((("moi danh cau snippets") OR ("python using java snippets"))) OR ("locating bug core snippets")).
• Removing quotes may allow a broader search: (((( moi danh cau snippets ) or ( python using java snippets ))) or ( locating bug core snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("moi danh cau snippets") or ("python using java snippets"))) or ("locating bug core snippets"))*.