Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
trung va » truong va, trang va, trung ha
van tuan » van quan, van ban, anh tuan
van tan » van ban, van tai, van thanh

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 nhung cong ((van tan) or (van tuan)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - thanh trung va nhung cong ((van tan) OR (van tuan)) cao*.