Perhaps you should try some spelling variations:
nghiem thuc » nghiem thuoc, nghiep thuc, nghiem thuat
nhiem thuc » nghiem thuoc, nghiep thuc, nhiem huu
cac khanh » cac thanh, cach nhanh, khac khanh
khanh hoa » thanh hoa, hang hoa
dich hoc » sinh hoc, hinh hoc, tinh hoc
cong cac » cuong cac, cong tac, cong cau
nhan dan » phan dau, gian dan, nhan tai
tu dich » te dich, chu dich, hut dich
hoc xa » hoc ma
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: tu dich hoc tap, ((nghiem thuc) or (nhiem thuc)) cong cac khanh hoa hoc xa hoi ca nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu dich hoc tap, ((nghiem thuc) OR (nhiem thuc)) cong cac khanh hoa hoc xa hoi ca nhan dan.
• Adding a wildcard symbol may retrieve word variants: tu dich hoc tap, ((nghiem thuc) or (nhiem thuc)) cong cac khanh hoa hoc xa hoi ca nhan dan*.