Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, nhieu tang
truong cua » truong ca, truong quan, truong cao
nhung cong » dung cong, thong cong, hang cong
hieu lang » hieu quang, nhieu tang, hieu van
trung cua » trung tuan, trung cap, dung cua
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
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: hoi ((hieu lang) OR (chieu sang)) - thanh ((trung cua) or (truong cua)) nhung cong tan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi ((hieu lang) OR (chieu sang)) - thanh ((trung cua) OR (truong cua)) nhung cong tan toan tap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoi ((hieu lang) OR (chieu sang)) - thanh ((trung cua) or (truong cua)) nhung cong tan toan tap".
• Adding a wildcard symbol may retrieve word variants: hoi ((hieu lang) OR (chieu sang)) - thanh ((trung cua) or (truong cua)) nhung cong tan toan tap*.