Perhaps you should try some spelling variations:
nhanh dong » hanh dong, nhanh chong, anh dong
dong thuoc » dung thuoc, dang thuoc, don thuoc
hoc nhanh » hoc nganh, hoc phan
thu tinh » thue tinh, thuy tinh, thuc tinh
tinh hoc » sinh hoc, tin hoc, hinh hoc
thuoc xa » thuoc ma, thuoc va, thuoc la
cua nhan » ca nhan, cua ngan, cua nha
cuu mon » cuu mot, cuu cong, cuu tong
hoi cua » hoi chuc
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: thu tinh hoc tap, nghien ((cuu mon) or (cuu mo)) hoc nhanh dong thuoc xa hoi cua nhan va~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu tinh hoc tap, nghien ((cuu mon) OR (cuu mo)) hoc nhanh dong thuoc xa hoi cua nhan va.
• Adding a wildcard symbol may retrieve word variants: thu tinh hoc tap, nghien ((cuu mon) or (cuu mo)) hoc nhanh dong thuoc xa hoi cua nhan va*.