Perhaps you should try some spelling variations:
thanh trung » thanh tung
chieu sach » chinh sach, chieu sang, chieu xanh
trung cua » truong cua, trung tuan, trung cap
thong den » thong dien, tuong den, thong dieu
thong dan » thong van, tuong dan, trong dan
thanh lap » thanh san, phan lap, thanh hai
cua nong » cua cong, cuu nong, cua dong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((chieu sach) or (chiet tach)) - thanh trung cua nong ((thong den) OR (thong dan)) thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sach) OR (chiet tach)) - thanh trung cua nong ((thong den) OR (thong dan)) thanh lap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sach) or (chiet tach)) - thanh trung cua nong ((thong den) OR (thong dan)) thanh lap".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sach) or (chiet tach)) - thanh trung cua nong ((thong den) OR (thong dan)) thanh lap*.