Perhaps you should try some spelling variations:
nghien cau » nghien cuu, nghiep cau, nghiep cay
hoc nhanh » hoc phan
danh nhan » doanh nhan, thanh nhan, benh nhan
hut sinh » huy sinh, hut binh, thuat sinh
khoa hoc » hoa hoc
hoi danh » hop danh, hoi dan, hoc danh
nhan dan » phan dau, gian dan, nhan tai
cau hoa » cau hoi
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: hut sinh hoc tap, nghien cau hoa ((hoc nganh) or (hoc nhanh)) khoa hoc ma hoi danh nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hut sinh hoc tap, nghien cau hoa ((hoc nganh) OR (hoc nhanh)) khoa hoc ma hoi danh nhan dan.
• Adding a wildcard symbol may retrieve word variants: hut sinh hoc tap, nghien cau hoa ((hoc nganh) or (hoc nhanh)) khoa hoc ma hoi danh nhan dan*.