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