Perhaps you should try some spelling variations:
dong thuoc » dung thuoc, dang thuoc, don thuoc
hoc nganh » hoc nhanh
khong hoc » khung hoc, thong hoc, khong thuoc
hinh hoc » sinh hoc, tin hoc, benh hoc
cuu cong » cua cong, thu cong, cac cong
cong hoc » dong hoc, cong hoa, cong coc
van luan » van quan, van tuan, von luan
tu hinh » tu minh, tu hanh, su hinh
hoi van » hoi va, hoi dan, hai van

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu hinh hoc tap, nghien cuu cong hoc nganh ((khong hoc) or (dong thuoc)) xa hoi van luan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu hinh hoc tap, nghien cuu cong hoc nganh ((khong hoc) OR (dong thuoc)) xa hoi van luan van.
• Adding a wildcard symbol may retrieve word variants: tu hinh hoc tap, nghien cuu cong hoc nganh ((khong hoc) or (dong thuoc)) xa hoi van luan van*.