Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cong » trong cong, tong cong, thong thong
hieu manh » hieu nganh, dieu hanh, hien hanh
hieu lang » chieu sang, hieu quang, nhieu tang
trung cua » truong cua, trung tuan, trung cap
cua thong » cua thuong, cua khong, cua tong
cong tinh » cong trinh, cong vinh, long tinh
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: doi ((hieu manh) or (((chieu xanh) or (hieu lang)))) - thanh trung cua thong cong tinh toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((hieu manh) OR (((chieu xanh) OR (hieu lang)))) - thanh trung cua thong cong tinh toan tap.
• Adding a wildcard symbol may retrieve word variants: doi ((hieu manh) or (((chieu xanh) or (hieu lang)))) - thanh trung cua thong cong tinh toan tap*.