Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sang » chieu sang, thieu khang, thieu quang
trung tuan » trung thanh, trung tam, tran tuan
hoc thieu » toc thieu, hoc hien
dang nong » hang nong, tang nong, dang hoang
dang cong » dung cong
van than » van thanh, van thang, van phan
van tuan » van quan, van ban, anh tuan

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 - thanh trung tuan ((dang nong) OR (dang cong)) ((van than) or (van tuan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - thanh trung tuan ((dang nong) OR (dang cong)) ((van than) OR (van tuan)) cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sang - thanh trung tuan ((dang nong) OR (dang cong)) ((van than) or (van tuan)) cao*".