Perhaps you should try some spelling variations:
thanh tung » thanh cong
trinh toan » tinh toan, thanh toan, trinh han
tieu xanh » tieu danh, chieu xanh, dieu hanh
phan cong » thanh cong
tung tao » trung tam, tuong tac, trong tao
ban cong » bang cong, van cong, ban huong
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 xanh - thanh tung tao ((ban cong) OR (phan cong)) trinh toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu xanh - thanh tung tao ((ban cong) OR (phan cong)) trinh toan cau*".