Perhaps you should try some spelling variations:
nganh khung » nganh khong, nhanh hung
nghien cua » nghien cuu, nghiep cua, nghiep vua
cach thoi » cach thuc, cach noi
khung hoc » chung hoc, nhung hoc, thuong hoc
hoc nganh » hoc nhanh
dong hoc » dong co, dong luc
cua dong » chua dong, cua cong, cua dang
cac thoi » cac toi, cac hop, cac tro
hoc mai » hoc ma, hoc dai, hoc bai
mai hoi » mai khoi, dai hoi, lai hoi
va nhan » van nhan, ca nhan, va phan
nhan va » nhan tai, nhan dan, nhan tao

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuoc ((cach thoi) OR (cac thoi)) tap, nghien cua dong hoc nganh khung hoc mai hoi va nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuoc ((cach thoi) OR (cac thoi)) tap, nghien cua dong hoc nganh khung hoc mai hoi va nhan va".
• Adding a wildcard symbol may retrieve word variants: thuoc ((cach thoi) OR (cac thoi)) tap, nghien cua dong hoc nganh khung hoc mai hoi va nhan va*.