Perhaps you should try some spelling variations:
cong phuong » cong thuong, cong huong, dong phuong
phuong thao » phuong phap, phuong thuc
hien sang » hien trang, khien bang, chieu sang
hanh dung » thanh dung, anh dung, hanh dong
thao tuan » than tuan, thanh tuan, tran tuan
dung cua » dung luan, dung cho
tuan cau » toan cau, quan cau, tuan cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien sang - hanh dung cua cong phuong thao tuan cau~.
• Adding a wildcard symbol may retrieve word variants: hoc hien sang - hanh dung cua cong phuong thao tuan cau*.