Perhaps you should try some spelling variations:
nganh thuong » anh thuong, doanh thuong, nang thuong
nghien cac » nghiep cach, nghien cuu, nghiep cay
thuong ho » tuong ho, truong hoc, thuong chi
cach hoc » cach thuc, cach thoi, dich hoc
van nhan » van phan, van thanh, danh nhan
nhan dan » phan dau, gian dan, nhan tai
tu cach » tu cac
cong co » dong co, cong so, cong cong
cong cu » chung cu
hoi van » hoi va, hoi dan, hai van
ho xa » hoa xa, hoc xa, cho xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cach hoc tap, nghien cac ((cong co) or (cong cu)) nganh thuong ho xa hoi van nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cach hoc tap, nghien cac ((cong co) OR (cong cu)) nganh thuong ho xa hoi van nhan dan.
• Adding a wildcard symbol may retrieve word variants: tu cach hoc tap, nghien cac ((cong co) or (cong cu)) nganh thuong ho xa hoi van nhan dan*.