Perhaps you should try some spelling variations:
nghien thu » nghiem thuc, nghiep thuc, nghien cuu
thue tinh » thuy tinh
hoc nganh » hoc nhanh
nganh hoa » thanh hoa, khanh hoa, danh hoa
tinh hoc » sinh hoc, tin hoc, hinh hoc
cong hoc » dong hoc, cong hoa, cong coc
tan tuan » tran tuan, than tuan, van tuan
tuan san » luan san, tan san, thanh san
hai tan » hai van, hai quan

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 ((hoc xa) OR (hoc ma)) hai tan 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 ((hoc xa) OR (hoc ma)) hai tan tuan san".
• Adding a wildcard symbol may retrieve word variants: thue tinh hoc tap, nghien thu cong hoc nganh hoa ((hoc xa) OR (hoc ma)) hai tan tuan san*.