Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu bang » chieu sang, chu bang, khien bang
hanh thang » nhanh thang, thanh thang, hanh trang
thang va » hang va, trang va, thong va
cong tac » cong ty
toan cau » toan cao, toan ban, toan tap
va tong » va thong, va tuong, va trong

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 bang - hanh thang va tong ((cong san) OR (cong tac)) toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu bang - hanh thang va tong ((cong san) OR (cong tac)) toan cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu bang - hanh thang va tong ((cong san) OR (cong tac)) toan cau*.