Perhaps you should try some spelling variations:
cua doanh » luat doanh, cua dang, cua dan
doanh hoa » doanh khoa, doanh hoan, danh hoa
thu sinh » thu minh, thu kinh, thuoc sinh
cuu dong » cuu cong, cuu tong, cuu long
dong cua » dung cua, cong cua, huong cua
dan chan » dan gian, dan ca, van chat
chan va » chuan va, nhan va, chat va
xa hoa » xa khoa, ma hoa, va hoa

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thu sinh hoc tap, nghien cuu dong cua doanh hoa hoc ((xa hoa) OR (xa hoi)) dan chan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sinh hoc tap, nghien cuu dong cua doanh hoa hoc ((xa hoa) OR (xa hoi)) dan chan va".
• Adding a wildcard symbol may retrieve word variants: thu sinh hoc tap, nghien cuu dong cua doanh hoa hoc ((xa hoa) OR (xa hoi)) dan chan va*.