Perhaps you should try some spelling variations:
nghiem thuc » nghiem thuoc, nghiep thuc, nhiem thuc
thuc cong » thuoc cong, thu cong, chuc cong
nganh hoa » thanh hoa, danh hoa, ninh hoa
khanh hoa » thanh hoa, hang hoa
hinh hoc » sinh hoc, tin hoc, benh hoc
cong tac » cong ty
nhan dan » phan dau, gian dan, nhan tai
tu hinh » tu minh, tu hanh, su hinh
ma hoi » mai hoi, xa hoi, ma 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: tu hinh hoc tap, nghiem thuc cong tac ((nganh hoa) OR (khanh hoa)) hoc ma hoi ca nhan dan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu hinh hoc tap, nghiem thuc cong tac ((nganh hoa) OR (khanh hoa)) hoc ma hoi ca nhan dan".
• Adding a wildcard symbol may retrieve word variants: tu hinh hoc tap, nghiem thuc cong tac ((nganh hoa) OR (khanh hoa)) hoc ma hoi ca nhan dan*.