Perhaps you should try some spelling variations:
dang tuong » dang thuong, bang tuong, dang cuong
hieu xanh » chieu xanh, hieu manh, hieu nganh
trung cua » truong cua, trung tuan, trung cap
tuong tac » cong tac, luong tai, tuong lai
doc hieu » toc thieu, hoc thieu, hoc hien
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban

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 tam)) dang tuong tac ((toan cau) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - thanh ((trung cua) OR (trung tam)) dang tuong tac ((toan cau) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - thanh ((trung cua) or (trung tam)) dang tuong tac ((toan cau) or (toan tap))*.