Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
truong lam » trong lam, truong ham, truong luan
thuong dan » huong dan, thuong dam, thuong lan
thuong han » thuong mai, thuong va, thuong gap
hoc thieu » toc thieu, hoc hien
trung lap » trung cap, truong lop, trung tam
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 - thanh ((trung lap) or (truong lam)) trong ((thuong dan) OR (thuong han)) phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - thanh ((trung lap) OR (truong lam)) trong ((thuong dan) OR (thuong han)) phan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - thanh ((trung lap) or (truong lam)) trong ((thuong dan) OR (thuong han)) phan cau".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - thanh ((trung lap) or (truong lam)) trong ((thuong dan) OR (thuong han)) phan cau*.