Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
khong thuoc » khang thuoc, hong phuoc, dong thuoc
hoc nganh » hoc nhanh
chau nhan » chan nhan, chau phan, ca nhan
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 hoc » dong hoc, cong hoa, cong coc
thuoc ma » hoc ma, duoc ma
cau nhan » ca nhan, cu nhan, cam nhan
ma hoi » mai hoi, xa hoi, ma hoa

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 hoc nganh khong thuoc ma hoi ((cau nhan) OR (chau nhan)) va~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "kon dich hoc tap, nghien cuu cong hoc nganh khong thuoc ma hoi ((cau nhan) OR (chau nhan)) va".
• Adding a wildcard symbol may retrieve word variants: kon dich hoc tap, nghien cuu cong hoc nganh khong thuoc ma hoi ((cau nhan) OR (chau nhan)) va*.