Perhaps you should try some spelling variations:
trong thuong » thong thuong, trong tuong, cong thuong
thieu xanh » hieu manh, thien anh, thien danh
chieu xanh » chieu sach, chieu sang, chieu tinh
truong lam » trong lam, truong ham, truong luan
thuong dan » huong dan, thuong han, thuong dam
trung lap » trung cap, truong lop, trung tam
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) OR (chieu xanh)) - thanh ((trung lap) or (truong lam)) trong thuong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu xanh)) - thanh ((trung lap) OR (truong lam)) trong thuong dan phan cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (chieu xanh)) - thanh ((trung lap) or (truong lam)) trong thuong dan phan cau*".