Perhaps you should try some spelling variations:
cong phuong » cong thuong, cong huong, dong phuong
theo chieu » theo tieu, ho chieu, theo chu
chieu sang » chieu sach, chieu xanh, hieu lang
trinh toan » thanh toan, trinh han, trinh quan
hang cua » mang cua, huong cua, thong cua
hang ca » hang va, nang cao, hang tai

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 ((hang cua) or (hang ca)) cong phuong ((trinh toan) OR (tinh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sang - hanh ((hang cua) OR (hang ca)) cong phuong ((trinh toan) OR (tinh toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sang - hanh ((hang cua) or (hang ca)) cong phuong ((trinh toan) OR (tinh toan)) cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu sang - hanh ((hang cua) or (hang ca)) cong phuong ((trinh toan) OR (tinh toan)) cau*.