Perhaps you should try some spelling variations:
hanh trung » thanh trung, hanh trang, manh trung
chieu xanh » chieu sach, chieu sang, chieu tinh
trung tuan » trung thanh, trung tam, tran tuan
dang thanh » dang hanh, hoang thanh, quang thanh
dong thanh » truong thanh
hieu xanh » hieu manh, hieu nganh, dieu hanh
tuan dung » tuan duong, tran dung, tan dung
dung cong » dung trong

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((hieu xanh) OR (chieu xanh)) - hanh trung tuan dung cong ((dang thanh) or (dong thanh)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((hieu xanh) OR (chieu xanh)) - hanh trung tuan dung cong ((dang thanh) OR (dong thanh)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc ((hieu xanh) OR (chieu xanh)) - hanh trung tuan dung cong ((dang thanh) or (dong thanh)) cau".
• Adding a wildcard symbol may retrieve word variants: doc ((hieu xanh) OR (chieu xanh)) - hanh trung tuan dung cong ((dang thanh) or (dong thanh)) cau*.