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