Perhaps you should try some spelling variations:
nghien cua » nghien cuu, nghiep cua, nghiep vua
nganh dung » ngan dung, anh dung, nganh cong
hoc nganh » hoc nhanh
thoi tap » toi tap, hoc tap, hoi tai
thoi dai » hoc dai, hoi dap, hoi dan
cong hoc » dong hoc, cong hoa, cong coc
dung hoc » dong hoc, dung thuoc, trung hoc
tu cach » tu cac
va luan » vay luan, van luan, va quan
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 tap) OR (thoi dai)), nghien cua cong hoc nganh dung hoc ma hoi va luan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu cach ((thoi tap) OR (thoi dai)), nghien cua cong hoc nganh dung hoc ma hoi va luan van".
• Adding a wildcard symbol may retrieve word variants: tu cach ((thoi tap) OR (thoi dai)), nghien cua cong hoc nganh dung hoc ma hoi va luan van*.