Perhaps you should try some spelling variations:
nganh khoa » nganh hoa, nganh khong, doanh khoa
hoc nganh » hoc nhanh
mach hoc » cach hoc, dich hoc, anh hoc
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
khoa hoc » hoa hoc
te mach » ke mach, te sach, tim mach
bai hoi » bai choi, dai hoi, bi hoi
bai hoc » dai hoc
va luan » vay luan, van luan, va quan

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 hoc tap, nghien cuu dong hoc nganh khoa hoc ((bai hoi) OR (bai hoc)) va luan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te mach hoc tap, nghien cuu dong hoc nganh khoa hoc ((bai hoi) OR (bai hoc)) va luan van".
• Adding a wildcard symbol may retrieve word variants: te mach hoc tap, nghien cuu dong hoc nganh khoa hoc ((bai hoi) OR (bai hoc)) va luan van*.