Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sang » chieu sang, thieu khang, thieu quang
duong manh » duong van
hoc thieu » toc thieu, hoc hien
trung can » trung cap, trung van, trong can
can tuong » ban tuong, cac tuong, van tuong
manh tuan » anh tuan, manh toan, minh tuan
tuan ban » tuan bang, toan ban, luan ban

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 can tuong duong manh tuan ban~.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh trung can tuong duong manh tuan ban*.