Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
trung tuan » trung thanh, trung tam, tran tuan
tuan hung » tran hung, luan hung, tuan dung
hung cong » nhung cong, hung cuong, phung cong
cong manh » cong danh, duong manh, cong thanh
ho chieu » theo chieu, hoc thieu, doi chieu
toan cao » toan tap
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: ho chieu sang - thanh trung tuan hung cong manh ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung tuan hung cong manh ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung tuan hung cong manh ((toan cao) or (toan ban))*.