Perhaps you should try some spelling variations:
thanh tuong » thanh thuong, thanh tung, thanh huong
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, cong tan
toc chieu » toc thieu, doc hieu, hoc thieu
tuong qua » tuong quan, duong qua, thong qua
qua trong » quan trong, qua trinh, qua song
thanh lap » thanh san, phan lap, thanh hai
than cap » khan cap, thanh cac, than cua

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: toc chieu xanh - thanh tuong qua trong cong thanh ((than cap) OR (thanh lap))~.
• Adding a wildcard symbol may retrieve word variants: toc chieu xanh - thanh tuong qua trong cong thanh ((than cap) or (thanh lap))*.