Perhaps you should try some spelling variations:
thang thuoc » khang thuoc, dang thuoc, thanh phuoc
nhanh thang » nhanh thanh, nhanh quang, hanh trang
nghien huy » nghien cuu, nguyen huy, nghiep quy
cach thoi » cac thoi, cach thuc, cach noi
hoc nhanh » hoc nganh, hoc phan
thoi tap » toi tap, hoc tap, thoi dai
mai khoi » mai khoa, tai khoa, cac khoi
nhan van » nhan dan, nhan va, phan van
tu cach » tu cac
huy hoa » huy khoa, thuy hoa, huy hoc
mai hoi » dai hoi, lai hoi, mai doi

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach thoi tap, nghien huy hoa hoc nhanh thang thuoc ((mai hoi) OR (mai khoi)) ca nhan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach thoi tap, nghien huy hoa hoc nhanh thang thuoc ((mai hoi) OR (mai khoi)) ca nhan van".
• Adding a wildcard symbol may retrieve word variants: tu cach thoi tap, nghien huy hoa hoc nhanh thang thuoc ((mai hoi) OR (mai khoi)) ca nhan van*.