Perhaps you should try some spelling variations:
thieu quang » thien quan, trien quang, hieu quan
thanh trung » thanh tung
nhieu tang » chieu sang, hieu lang, nhiet nang
hieu quang » hieu quan, hieu qua, diep quang
trung cua » truong cua, trung tuan, trung cap
dung anh » dung danh, duong anh, dong anh
cua ung » cua rung, cua ong, cua nhung
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 ((nhieu tang) or (((thieu quang) OR (hieu quang)))) - thanh trung cua ung dung anh tuan cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((nhieu tang) OR (((thieu quang) OR (hieu quang)))) - thanh trung cua ung dung anh tuan cu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((nhieu tang) or (((thieu quang) OR (hieu quang)))) - thanh trung cua ung dung anh tuan cu".
• Adding a wildcard symbol may retrieve word variants: hoc ((nhieu tang) or (((thieu quang) OR (hieu quang)))) - thanh trung cua ung dung anh tuan cu*.