Perhaps you should try some spelling variations:
nhanh khoa » nhan khoa, nganh khoa, hang khoa
sach thoi » cach thoi, sach tham, cac thoi
hoc nhanh » hoc nganh, hoc phan
sach hoi » sach doi, sach moi, cach thoi
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
khoa hoc » hoa hoc
van nhan » van phan, van thanh, danh nhan
nhan va » nhan tai, nhan dan, nhan tao
hoc la » hoc lam, hoc lap, hoc lao
la va » la via, lua va, ly va

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((sach thoi) OR (sach hoi)) tap, nghien cuu dong hoc nhanh khoa hoc la va van nhan va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach thoi) OR (sach hoi)) tap, nghien cuu dong hoc nhanh khoa hoc la va van nhan va".
• Adding a wildcard symbol may retrieve word variants: te ((sach thoi) OR (sach hoi)) tap, nghien cuu dong hoc nhanh khoa hoc la va van nhan va*.