Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
hieu lang » hieu quang, nhieu tang, hieu van
cua nhung » va nhung
tran tuan » tran xuan, tran quang, tran thanh
tung cua » trung cua, tuong cua, dung cua
cong tan » cong tac, cong san, cong thanh

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu lang) OR (chieu sang)) - thanh tung cua nhung cong tan tran tuan~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu lang) OR (chieu sang)) - thanh tung cua nhung cong tan tran tuan".
• Adding a wildcard symbol may retrieve word variants: theo ((hieu lang) OR (chieu sang)) - thanh tung cua nhung cong tan tran tuan*.