Perhaps you should try some spelling variations:
trung tuan » trung thanh, trung tam, tran tuan
hieu xanh » chieu xanh, hieu manh, hieu nganh
trung cua » truong cua, trung cap, dung cua
tan thanh » tran thanh, tang thanh, toan thanh
thanh van » thanh san, thanh toan, thanh phan
doc hieu » toc thieu, hoc thieu, hoc hien
dong tan » duong tan, dong tai, dong san

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 - thanh ((trung cua) or (trung tuan)) cong dong tan thanh van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - thanh ((trung cua) OR (trung tuan)) cong dong tan thanh van*.