Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
thu hinh » thi hinh, thu minh, thu kinh
hinh hoc » sinh hoc, tin hoc, benh hoc
cong hoc » dong hoc, cong coc, cong ho
cong hoa » dong hoa, dong hoc, hang hoa
khoa hoc » hoa hoc
tan tuan » tran tuan, than tuan, van tuan
tuan san » luan san, tan san, thanh san
hai tan » hai van, hai quan
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: thu hinh hoc tap, nghien cuu ((cong hoc) OR (cong hoa)) nganh khoa hoc xa hai tan tuan san~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu hinh hoc tap, nghien cuu ((cong hoc) OR (cong hoa)) nganh khoa hoc xa hai tan tuan san".
• Adding a wildcard symbol may retrieve word variants: thu hinh hoc tap, nghien cuu ((cong hoc) OR (cong hoa)) nganh khoa hoc xa hai tan tuan san*.