Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
thue tinh » thuy tinh
nganh hoa » khanh hoa, danh hoa, ninh hoa
thanh hoa » thanh pho
tran tuan » tran xuan, tran quang, tran thanh
tinh hoc » sinh hoc, tin hoc, hinh hoc
cong hoc » dong hoc, cong hoa, cong coc
hai tran » thai tran, hai tan, ha tran
tuan san » luan san, tan san, thanh san
hoc xa » hoc ma
xa hai » xa thai, xua hai, xa hoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: thue tinh hoc tap, nghien thu cong hoc ((nganh hoa) OR (thanh hoa)) hoc xa hai tran tuan san~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thue tinh hoc tap, nghien thu cong hoc ((nganh hoa) OR (thanh hoa)) hoc xa hai tran tuan san".
• Adding a wildcard symbol may retrieve word variants: thue tinh hoc tap, nghien thu cong hoc ((nganh hoa) OR (thanh hoa)) hoc xa hai tran tuan san*.