Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
trung tuan » trung thanh, trung tam, tran tuan
thanh toan » thanh hoa, thanh san, tinh toan
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung cap, dung cua
hang nong » thang long, han tong

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

• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu xanh - manh ((trung cua) OR (trung tuan)) hang nong ((anh tuan) OR (thanh toan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - manh ((trung cua) OR (trung tuan)) hang nong ((anh tuan) or (thanh toan)) cau~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - manh ((trung cua) OR (trung tuan)) hang nong ((anh tuan) or (thanh toan)) cau*.