Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu lang » chieu sang, hieu lang, chi lang
khong cong » thong cong, khong cang, chong cong
hanh mang » nhanh mang, hanh trang, nhanh lang
cua khong » hua khong, cua phuong, cua thuong
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: theo chieu lang - ((hanh mang) or (nhanh quang)) cua khong cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu lang - ((hanh mang) OR (nhanh quang)) cua khong cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: theo chieu lang - ((hanh mang) or (nhanh quang)) cua khong cong tac toan cau*.