Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
thong dan » thong van, tuong dan, thong den
ho chieu » theo chieu, hoc thieu, doi chieu
toan ban » van ban
phan lap » phan dau
phan cac » nhan cach, phan dau, phan van

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 cua thong thong dan ((((toan ban) or (phan lap))) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung cua thong thong dan ((((toan ban) OR (phan lap))) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung cua thong thong dan ((((toan ban) or (phan lap))) or (phan cac))*.