Perhaps you should try some spelling variations:
thuong trinh » chuong trinh, phuong trinh, thuong tinh
cong thuong » hang thuong
chieu xanh » chieu sach, chieu sang, chieu tinh
trinh toan » tinh toan, thanh toan, trinh han
hieu lang » chieu sang, hieu quang, nhieu tang
hanh hang » thanh hang, hang hang, hanh han
hang cua » mang cua, hang ca, huong cua
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 ((hieu lang) or (chieu xanh)) - hanh hang cua cong thuong trinh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu lang) OR (chieu xanh)) - hanh hang cua cong thuong trinh toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) or (chieu xanh)) - hanh hang cua cong thuong trinh toan cau*.