Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thanh tung » thanh cong
doi chieu » doc hieu, doi chi, ho chieu
tuong ban » tuong bang, trong ban, tuong dan
cua phan » cua phap, cua han, qua phan
cua nhan » ca nhan, cua ngan, cua nha
ban khan » ban than, ban nhan, ban chan
khan cap » khan ap, than cap, khoan cam

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) or (thanh tung)) ((cua phan) or (cua nhan)) tuong ban khan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - ((thanh trung) OR (thanh tung)) ((cua phan) OR (cua nhan)) tuong ban khan cap.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - ((thanh trung) or (thanh tung)) ((cua phan) or (cua nhan)) tuong ban khan cap*.