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