Perhaps you should try some spelling variations:
thanh tung » thanh cong
trinh toan » tinh toan, thanh toan, trinh han
tieu danh » dieu danh, tiep danh, thien danh
hang cong » dang cong, hang nong, bang cong
tung tao » trung tam, tuong tac, trong tao
tao hang » tao zhang, tao khang, tao bang
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu danh - thanh tung tao hang cong trinh toan cau~.
• Adding a wildcard symbol may retrieve word variants: theo tieu danh - thanh tung tao hang cong trinh toan cau*.