Perhaps you should try some spelling variations:
thanh trung » thanh tung
hanh trinh » canh tranh, hanh chinh
trung cong » truong cong, trong cong, trung uong
chau tinh » cuu tinh, ha tinh, cua tinh
cua trung » cua truong, xuan trung, cua nhung
doi chau » doi chieu, gioi chau, hoi chu
cong san » cong tac
san toan » van toan, dan toan, manh toan
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: doi chau tinh - ((hanh trinh) or (thanh trung)) cua trung cong san toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chau tinh - ((hanh trinh) OR (thanh trung)) cua trung cong san toan cau.
• Adding a wildcard symbol may retrieve word variants: doi chau tinh - ((hanh trinh) or (thanh trung)) cua trung cong san toan cau*.