Perhaps you should try some spelling variations:
khang thuoc » khong thuoc, dang thuoc, hanh thuoc
nganh khang » nganh khong, ngan hang, nhanh thang
hoc nganh » hoc nhanh
hinh hoc » sinh hoc, tin hoc, benh hoc
cuu dong » cuu cong, cuu tong, cuu long
dong hoc » dong co, dong luc
thuoc va » thuc va, thuoc ma, thuong va
gian dan » gian lang
anh hoc » sinh hoc, benh hoc, anh khoa
ca gian » ca giang, ca giao, va gian
va hoa » van hoa, va hoc, ma hoa
hoa ca » hoa cua, hoa cac, hoa cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: kon ((anh hoc) or (hinh hoc)) tap, nghien cuu dong hoc nganh khang thuoc va hoa ca gian dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: kon ((anh hoc) OR (hinh hoc)) tap, nghien cuu dong hoc nganh khang thuoc va hoa ca gian dan.
• Adding a wildcard symbol may retrieve word variants: kon ((anh hoc) or (hinh hoc)) tap, nghien cuu dong hoc nganh khang thuoc va hoa ca gian dan*.