Perhaps you should try some spelling variations:
nhanh thuong » khanh thuong, nhanh chuong, thanh thuong
thuong hoc » truong hoc, tuong hoc, thuong ho
cach thoi » cac thoi, cach noi
cach thuc » anh thuc, cac thu
hoc nhanh » hoc nganh, hoc phan
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
va thanh » gia thanh, ban thanh, va tinh
thanh va » thanh van, hanh va, thanh ha
ma hoi » mai hoi, xa hoi, ma hoa

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) OR (cach thuc)) tap, nghien cuu cong hoc nhanh thuong hoc ma hoi va thanh va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((cach thoi) OR (cach thuc)) tap, nghien cuu cong hoc nhanh thuong hoc ma hoi va thanh va".
• Adding a wildcard symbol may retrieve word variants: tu ((cach thoi) OR (cach thuc)) tap, nghien cuu cong hoc nhanh thuong hoc ma hoi va thanh va*.