Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
trong quan » thong quan, tong quan, thong quang
trung tuan » trung thanh, trung tam, tran tuan
thong cong » trong cong, tong cong, thong thong
hoc thieu » toc thieu, hoc hien
van tuan » van quan, van ban

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 - hanh ((trong quan) OR (trung tuan)) thong cong ((van tuan) OR (anh tuan)) cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu xanh - hanh ((trong quan) or (trung tuan)) thong cong ((van tuan) OR (anh tuan)) cau~".
• Adding a wildcard symbol may retrieve word variants: hoc thieu xanh - hanh ((trong quan) or (trung tuan)) thong cong ((van tuan) OR (anh tuan)) cau*.