Perhaps you should try some spelling variations:
chieu sach » chiet tach, chieu sang, chieu xanh
thanh tung » thanh cong
nhung cong » dung cong, thong cong, hang cong
tay nhung » tay nung, hay nhung, ty nhung
cong doan » cong dan, cong hoan, dong doanh
doan phan » doanh phan, toan phan, dan phan
tung tay » vung tay, dung tay, nung tay
phan dau » phan tu, hang dau

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 sach) OR (chinh sach)) - thanh tung tay nhung cong doan phan dau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu sach) OR (chinh sach)) - thanh tung tay nhung cong doan phan dau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) OR (chinh sach)) - thanh tung tay nhung cong doan phan dau*.