Perhaps you should try some spelling variations:
thanh truong » thanh trung, thanh thuong, thanh tung
truong cao » truong dai
hien ngan » hiem ngan, vien nganh, hien nhanh
trinh han » trinh quan
ban cong » bang cong, van cong, phan cong
cao ban » cao bang, co ban, can ban
han cau » hang cau, phan cau, van cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hien ngan - thanh truong cao ban cong trinh han cau~.
• Adding a wildcard symbol may retrieve word variants: hoc hien ngan - thanh truong cao ban cong trinh han cau*.