Perhaps you should try some spelling variations:
nhung chong » nhung cong, nhung phong, nhung phuong
chieu sang » chieu sach, chieu xanh, hieu lang
truong cao » truong dai
doi chieu » doc hieu, doi chi, ho chieu
chong van » thong van, hong van, phong van
trung va » truong va, trang va, trung ha
van toan » van tuan, van tan, van thanh
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - thanh ((trung va) or (truong cao)) nhung chong van toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh ((trung va) OR (truong cao)) nhung chong van toan ban.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - thanh ((trung va) or (truong cao)) nhung chong van toan ban*.