Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
trung gian » truong giang, truong giao, trong giang
ho chieu » theo chieu, hoc thieu, doi chieu
gian dan » gian lang
dong tan » duong tan, dong san, cong tan
dong tai » dung tai, luong tai, cong tac
tran cau » tran chau, toan cau, ran cau

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 gian dan ((dong tan) OR (dong tai)) tran cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sang - thanh trung gian dan ((dong tan) OR (dong tai)) tran cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sang - thanh trung gian dan ((dong tan) OR (dong tai)) tran cau*.