Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
van thanh » ban thanh, van tuan
thanh van » thanh san, thanh toan, thanh phan
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
khoa hoc » hoa hoc
te mach » ke mach, te sach, tao mach
hoi van » hoi va, hoi dan, hai van
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te mach) OR (tim mach)) hoc tap, nghien cuu dong hoc nganh khoa hoc xa hoi van thanh van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te mach) OR (tim mach)) hoc tap, nghien cuu dong hoc nganh khoa hoc xa hoi van thanh van".
• Adding a wildcard symbol may retrieve word variants: ((te mach) OR (tim mach)) hoc tap, nghien cuu dong hoc nganh khoa hoc xa hoi van thanh van*.