Perhaps you should try some spelling variations:
thuoc nhanh » thuoc nhan, thuoc thanh, thuc hanh
nhanh chong » thanh cong, khanh phong
dong thuoc » dung thuoc, dang thuoc, don thuoc
chong hoc » chung hoc, chong doc, thong hoc
hinh hoc » sinh hoc, tin hoc, benh hoc
cuu dong » cuu cong, cuu tong, cuu long
dap nhan » dap nha, dac nhan, dam nhan
nhan van » nhan dan, nhan va, phan van
anh hoc » sinh hoc, benh hoc, anh khoa
hoc xa » hoc ma

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

• Performing a fuzzy search may retrieve terms with similar spellings: ke ((anh hoc) or (hinh hoc)) tap, nghien cuu dong thuoc nhanh chong hoc xa hoi dap nhan van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ke ((anh hoc) OR (hinh hoc)) tap, nghien cuu dong thuoc nhanh chong hoc xa hoi dap nhan van.
• Adding a wildcard symbol may retrieve word variants: ke ((anh hoc) or (hinh hoc)) tap, nghien cuu dong thuoc nhanh chong hoc xa hoi dap nhan van*.