Perhaps you should try some spelling variations:
khong thuoc » hong phuoc, dong thuoc, khoa thuoc
khang thuoc » dang thuoc, hanh thuoc, khau thuoc
nghe thuc » nghe thu, nghe thuat
thuc cong » thuoc cong, thu cong, chuc cong
benh hoc » sinh hoc
co nganh » hoc nganh, cac nganh, moi nganh
gian dan » gian lang
tu benh » tru benh, thu benh, tuy benh
cong co » dong co, cong cu, cong so
va gian » va gianh, van gian, va giai
hoa va » hoa van, hoa xa, hoa vo

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu benh hoc tap, nghe thuc cong co nganh ((khong thuoc) or (khang thuoc)) ma hoa va gian dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu benh hoc tap, nghe thuc cong co nganh ((khong thuoc) OR (khang thuoc)) ma hoa va gian dan.
• Adding a wildcard symbol may retrieve word variants: tu benh hoc tap, nghe thuc cong co nganh ((khong thuoc) or (khang thuoc)) ma hoa va gian dan*.