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
tuan nhung » quan nhung, tuan hung, thuat nhung
hoc thieu » toc thieu, hoc hien
chong van » hong van, phong van, chong va
thong van » trong van, thong va, thong quan
thanh tay » thanh tai, thanh toan, thanh thuy

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 nhung ((chong van) or (thong van)) thanh tay~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sang - thanh trung tuan nhung ((chong van) OR (thong van)) thanh tay.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sang - thanh trung tuan nhung ((chong van) or (thong van)) thanh tay*.