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nghiep thuc » nghiem thuc, nghiem thuoc, nghe thuc
cach thoi » cac thoi, cach thuc, cach noi
thuc cong » thuoc cong, thu cong, chuc cong
thoi tap » toi tap, hoc tap, thoi dai
cong hoc » dong hoc, cong hoa, cong coc
anh dung » anh dong, anh huong, sach dung
dung hoc » dong hoc, dung thuoc, trung hoc
nhan van » nhan dan, nhan va, phan van
tu cach » tu cac
hoc anh » hoc nganh, hoc nhanh, ngoc anh
hoi van » hoi va, hai van, hoi han
hoi dan » hoa dan, hoc dan, hoi dap
hoc xa » hoc ma