Perhaps you should try some spelling variations:
cua doanh » cua dang, cua dan, hoa doanh
thu sinh » thu minh, thu kinh, thuoc sinh
cuu cong » cua cong, thu cong, cac cong
dan nhan » danh nhan, dan chan, van nhan
nhan va » nhan tai, nhan dan, nhan tao
hoc xa » hoc ma
xa hoa » xa khoa, xa hoi, ma 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 cong ((cua doanh) OR (luat doanh)) hoa hoc xa hoa dan nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sinh hoc tap, nghien cuu cong ((cua doanh) OR (luat doanh)) hoa hoc xa hoa dan nhan va".
• Adding a wildcard symbol may retrieve word variants: thu sinh hoc tap, nghien cuu cong ((cua doanh) OR (luat doanh)) hoa hoc xa hoa dan nhan va*.