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
hoc nhanh » hoc nganh, hoc phan
thuoc mai » thuoc ma, thuoc tai, thuoc moi
mai khoi » mai khoa, tai khoa, cac khoi
nhan van » nhan dan, nhan va, phan van
tu manh » tu hanh, vu manh, tung manh
tu minh » thu minh, vu minh, thi minh
huy hoa » huy khoa, thuy hoa, huy hoc
khoi ca » khoi can, khoi cua, khoi va

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

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