Perhaps you should try some spelling variations:
thanh thuong » thanh huong, thanh chuong, thanh phuong
thieu khang » chieu khong, thieu quang
khong thong » thong thong, khong trong, thong thuong
thuong cua » huong cua, thong cua, truong cua
hieu lang » chieu sang, hieu quang, nhieu tang
cua khong » hua khong, cua phuong, cua thuong
quan tuan » quang tuan, quan luan, quan quan
tuan cu » tuan tu, quan cua, tuan thu

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hieu lang) or (thieu khang)) - thanh thuong cua khong thong quan tuan cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hieu lang) OR (thieu khang)) - thanh thuong cua khong thong quan tuan cu*.