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nganh tuong » nganh cong, manh tuong, nganh nong
nghien huu » nghien cuu, nguyen huu, nhiem huu
hoc nganh » hoc nhanh
tuong hoc » truong hoc, tuong ho, duong hoc
cac thoi » cac toi, cac hop, cac tro
thoi tap » toi tap, hoc tap, thoi dai
huu tuan » huu han, huu tung
tuan hoc » toan hoc, luan hoc, than hoc
dan toan » van toan, dan than, manh toan
toan tai » toan tap, doanh tai, toan ban
hoi dan » hoa dan, hoc dan, hoi dap
so cac » sao cac, so cap, o cac
hoc xa » hoc ma