Perhaps you should try some spelling variations:
thanh tinh » thanh binh, nhanh tinh, hanh trinh
hanh tinh » hanh trinh, nhanh tinh, canh tinh
tong cong » trong cong, cong cong, dung cong
chu tinh » chau tinh, chua tinh, cuu tinh
cua tong » cua cong, cua dong, cua nong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap
hoi chu » hoi chuc

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoi chu tinh - ((hanh tinh) or (((thanh tinh) or (than kinh)))) cua tong cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi chu tinh - ((hanh tinh) OR (((thanh tinh) OR (than kinh)))) cua tong cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: hoi chu tinh - ((hanh tinh) or (((thanh tinh) or (than kinh)))) cua tong cong tac toan cau*.