Perhaps you should try some spelling variations:
trinh nghiep » trinh nghien, trinh nghe, trinh ghep
nguoi vien » nguoi viet, nguoi tien, nguoi chien
luat danh » luat doanh, luat dan, luan danh
luat canh » luat doanh, luat kinh, luc canh
hien huan » hien thuan, hien quan, tien huan
vien nam » viet nam, vien dai, van nam
tien dua » tien duan, tien cua, tien duc
nam hoc » nam moc, nam hoi, am hoc

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

• Performing a fuzzy search may retrieve terms with similar spellings: giao trinh nghiep ((luat danh) OR (luat canh)) cua nguoi vien nam hoc ((hien huan) or (tien dua))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: giao trinh nghiep ((luat danh) OR (luat canh)) cua nguoi vien nam hoc ((hien huan) OR (tien dua)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "giao trinh nghiep ((luat danh) OR (luat canh)) cua nguoi vien nam hoc ((hien huan) or (tien dua))".
• Adding a wildcard symbol may retrieve word variants: giao trinh nghiep ((luat danh) OR (luat canh)) cua nguoi vien nam hoc ((hien huan) or (tien dua))*.