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
thong ban » trong ban, thong bai, thong dan
thong van » trong van, thong va, thong quan
ho chieu » theo chieu, hoc thieu, doi chieu
cua tong » cua cong, cua dong, cua nong
hang ca » hang va, nang cao, hang tai

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 tong ((thong ban) or (thong van)) hang ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sang - thanh trung cua tong ((thong ban) OR (thong van)) hang ca*.