Perhaps you should try some spelling variations:
trung thanh » truong thanh
chieu sang » chieu sach, chieu xanh, hieu lang
trung tuan » trung tam, tran tuan, truong thanh
nhung cong » dung cong, thong cong, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
san ban » sang ban, van ban, can ban
ban can » ban dan, ban hang, ban hanh

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) OR (trung thanh)) nhung cong san ban can~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh ((trung tuan) OR (trung thanh)) nhung cong san ban can".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh ((trung tuan) OR (trung thanh)) nhung cong san ban can*.