Perhaps you should try some spelling variations:
nhanh khong » nhanh chong, nganh khong, nhan khong
nghien hung » nghiem hung, nghiep hung, nghiep nhung
khong thuoc » khang thuoc, hong phuoc, dong thuoc
hung tran » huong tran, quang tran, hung thang
hoc nhanh » hoc nganh, hoc phan
thuoc mai » thuoc ma, thuoc tai, thuoc moi
tran hoc » toan hoc, than hoc, trac hoc
nhan dan » phan dau, gian dan, nhan tai
tu mach » tu cach, tu manh, tu sach
tu hach » tu hanh, tu cach, tu sach
mai hoi » mai khoi, dai hoi, lai hoi
hoi ca » hoi cua, hoi cac, hoi cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu mach) OR (tu hach)) hoc tap, nghien hung tran hoc nhanh khong thuoc mai hoi ca nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu mach) OR (tu hach)) hoc tap, nghien hung tran hoc nhanh khong thuoc mai hoi ca nhan dan".
• Adding a wildcard symbol may retrieve word variants: ((tu mach) OR (tu hach)) hoc tap, nghien hung tran hoc nhanh khong thuoc mai hoi ca nhan dan*.