Perhaps you should try some spelling variations:
truong thanh » truong trung, truong thpt, truong chung
quang truong » quang trung, tang truong, duong truong
thanh trung » thanh tung
thieu sang » chieu sang, thieu khang, thieu quang
chieu xanh » chieu sach, chieu sang, chieu tinh
trung quan » truong quan, trong quan, trung tuan
quan quang » qua quang, quan quan, quat quang
thanh han » thanh phan, thanh nhan, thanh hang
han tap » han tai, toan tap, nhan tai

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu sang) or (chieu xanh)) - thanh trung quan quang truong thanh han tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu sang) OR (chieu xanh)) - thanh trung quan quang truong thanh han tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu sang) or (chieu xanh)) - thanh trung quan quang truong thanh han tap*.