Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung gian » truong giang, truong giao, trong giang
dong thanh » truong thanh
cong thanh » cong trinh, cong tan, truong thanh
gian lang » gian dan
chu tinh » chau tinh, chua tinh, cuu tinh
ho chu » hoi chu, cho chu, ho chua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chu tinh - thanh trung gian lang ((dong thanh) or (cong thanh)) phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chu tinh - thanh trung gian lang ((dong thanh) OR (cong thanh)) phan tu.
• Adding a wildcard symbol may retrieve word variants: ho chu tinh - thanh trung gian lang ((dong thanh) or (cong thanh)) phan tu*.