Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
thuong con » thuong dong, thong cong, thuong chi
trinh toan » tinh toan, thanh toan, trinh han
hanh han » hanh nhan, hanh phan, hanh san
toan ban » van ban
han cua » hang cua, nhan cua, than cua

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