Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu sach, chieu xanh, hieu lang
nhung cong » dung cong, thong cong, hang cong
trung va » truong va, trang va, trung ha
cong vat » dong vat, cong va, cang vat
vat phan » va phan, van phan, sat phan
phan cac » nhan cach, phan dau, phan lap

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chinh sach) or (chieu sang)) - thanh trung va nhung cong vat phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chinh sach) OR (chieu sang)) - thanh trung va nhung cong vat phan cac.
• Adding a wildcard symbol may retrieve word variants: doi ((chinh sach) or (chieu sang)) - thanh trung va nhung cong vat phan cac*.