Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, hang cong
mang cua » manh cua, dung cua, cong cua
cong tac » cong ty
tac than » tac thanh, tam than, tac nhan
than cau » toan cau, phan cau, than cap
ban cua » ban quan

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 sang - hanh ((mang cua) OR (ban cua)) nhung cong tac than cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sang - hanh ((mang cua) OR (ban cua)) nhung cong tac than cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - hanh ((mang cua) OR (ban cua)) nhung cong tac than cau*.