Perhaps you should try some spelling variations:
doanh khoa » toan khoa
thuc cach » thuoc sach, truoc cach, thuc hanh
hoc doanh » hoa doanh, hoc danh, hoc dan
thu cach » thu canh, tu cach, tho cach
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
khoa hoc » hoa hoc
van luan » van quan, van tuan, von luan
luan san » luan van, luan hoan, luan phan
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: ((thu cach) OR (thuc cach)) hoc tap, nghien cuu dong hoc doanh khoa hoc xa hoi van luan san~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((thu cach) OR (thuc cach)) hoc tap, nghien cuu dong hoc doanh khoa hoc xa hoi van luan san".
• Adding a wildcard symbol may retrieve word variants: ((thu cach) OR (thuc cach)) hoc tap, nghien cuu dong hoc doanh khoa hoc xa hoi van luan san*.