Perhaps you should try some spelling variations:
thanh trung » thanh tung
chiet tach » chieu sach
chieu tinh » trieu tinh, lieu tinh, kieu tinh
chau tinh » cuu tinh, ha tinh, cua tinh
trung cua » truong cua, trung tuan, trung cap
cong cong » cong dong, trong cong, dung cong
cong tac » cong ty
tac toan » tap toan, tam toan, hach 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: ho ((chiet tach) or (((chieu tinh) OR (chau tinh)))) - thanh trung cua cong cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chiet tach) OR (((chieu tinh) OR (chau tinh)))) - thanh trung cua cong cong tac toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chiet tach) or (((chieu tinh) OR (chau tinh)))) - thanh trung cua cong cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: ho ((chiet tach) or (((chieu tinh) OR (chau tinh)))) - thanh trung cua cong cong tac toan cau*.