Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sang » chieu xanh, hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, chieu xanh
hanh trang » canh tranh, hanh trinh, minh trang
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan 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: theo ((chieu sang) OR (chieu sach)) - ((hanh trang) or (thanh trung)) cua nhung cong doan phan cac~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (chieu sach)) - ((hanh trang) OR (thanh trung)) cua nhung cong doan phan cac.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sang) OR (chieu sach)) - ((hanh trang) or (thanh trung)) cua nhung cong doan phan cac".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) OR (chieu sach)) - ((hanh trang) or (thanh trung)) cua nhung cong doan phan cac*.