Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
trung tuan » trung thanh, trung tam, tran tuan
tuan thong » toan thong, tran thong, tuan phong
thong cong » trong cong, tong cong, thong thong
hoc chieu » hoc thieu, ho chieu, hoc hien
cong tac » cong ty
doan cau » toan cau, doan cap, doanh chau
doan dau » doan dieu, phan dau, doan va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sang - thanh trung tuan thong cong tac ((doan cau) OR (doan dau))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chieu sang - thanh trung tuan thong cong tac ((doan cau) OR (doan dau))".
• Adding a wildcard symbol may retrieve word variants: hoc chieu sang - thanh trung tuan thong cong tac ((doan cau) OR (doan dau))*.