Perhaps you should try some spelling variations:
tuong hiep » trong hiep, thuong hieu, thuong hien
ban tuong » ban huong, ban trong, va tuong
mach hoc » cach hoc, dich hoc, anh hoc
hoc thuc » hoc huu
thuc ban » thuoc ban, thuc dan, thu ban
hoc giai » hoc dai, so giai, hoc bai
hoc giao » hoc cao
tu mach » tu cach, tu manh, tu hach

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu mach hoc thuc ban tuong hiep ((hoc giai) or (hoc giao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu mach hoc thuc ban tuong hiep ((hoc giai) OR (hoc giao)).
• Adding a wildcard symbol may retrieve word variants: tu mach hoc thuc ban tuong hiep ((hoc giai) or (hoc giao))*.