Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
nhung cong » dung cong, thong cong, hang cong
thiet yeu » thiet ke
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
theo yeu » theo tieu, theo chu
tang cua » mang cua, hang cua, tang luan
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) or (((theo yeu) OR (thiet yeu)))) sach - hanh tang cua nhung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (((theo yeu) OR (thiet yeu)))) sach - hanh tang cua nhung cong tac toan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (((theo yeu) OR (thiet yeu)))) sach - hanh tang cua nhung cong tac toan cau*".