Perhaps you should try some spelling variations:
nhanh hung » thanh hung, nhanh hong, nhanh chuong
thanh nhan » thanh phan, thanh toan, doanh nhan
luc nhanh » luc nhan, luc nganh, luc canh
mach hoc » cach hoc, dich hoc, anh hoc
cuu dong » cuu cong, cuu tong, cuu long
dong luc » nang luc
hung hoa » hang hoa, ung hoa, trung hoa
tu mach » tu cach, tu manh, tu hach
hoa ma » khoa ma, hoa may, hoa mau
ma hoi » mai hoi, 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: tu mach hoc tap, nghien cuu dong luc nhanh hung hoa ma hoi ((thanh nhan) OR (thanh san)) tai~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu mach hoc tap, nghien cuu dong luc nhanh hung hoa ma hoi ((thanh nhan) OR (thanh san)) tai".
• Adding a wildcard symbol may retrieve word variants: tu mach hoc tap, nghien cuu dong luc nhanh hung hoa ma hoi ((thanh nhan) OR (thanh san)) tai*.