Perhaps you should try some spelling variations:
nganh khong » nhanh chong, nganh nong, nganh khoa
nganh cong » nhanh chong, thanh cong
kon dich » mon dich, kinh dich, rong dich
dich hoc » sinh hoc, hinh hoc, tinh hoc
cuu cong » cua cong, thu cong, cac cong
cong hoa » dong hoa, dong hoc, hang hoa
thuoc va » thuc va, thuoc ma, thuong va
ca luan » cu luan, ca lua, ca quan
va hoi » xa hoi, va hoc, va hoa
hoi ca » hoi cua, hoi cac, hoi cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: kon dich hoc tap, nghien cuu cong hoa ((nganh khong) OR (nganh cong)) thuoc va hoi ca luan van~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "kon dich hoc tap, nghien cuu cong hoa ((nganh khong) OR (nganh cong)) thuoc va hoi ca luan van".
• Adding a wildcard symbol may retrieve word variants: kon dich hoc tap, nghien cuu cong hoa ((nganh khong) OR (nganh cong)) thuoc va hoi ca luan van*.