Perhaps you should try some spelling variations:
hanh tang » hanh trang, anh tang, hanh mang
tong cong » trong cong, cong cong, dung cong
cha tinh » chau tinh, cham tinh, chai tinh
tang cua » mang cua, hang cua, tang luan
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
bi tinh » vi tinh

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

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