Perhaps you should try some spelling variations:
thanh trung » thanh tung
trung tuan » trung thanh, trung tam, tran tuan
tuan dang » tran dang, tuan bang, tuan dung
dang cong » dung cong
chi xanh » chi anh, chi danh, chi hanh
cong tac » cong ty
tren cau » tren ca, tren tau, trinh cau
tren cay » trien cay, tren may, ten cay
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi xanh - thanh trung tuan dang cong tac ((tren cau) OR (tren cay))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi xanh - thanh trung tuan dang cong tac ((tren cau) OR (tren cay))".
• Adding a wildcard symbol may retrieve word variants: doi chi xanh - thanh trung tuan dang cong tac ((tren cau) OR (tren cay))*.