Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
thanh trung » thanh tung
chieu sach » chiet tach, chieu sang, chieu xanh
trung cua » truong cua, trung tuan, trung cap
cua nhung » va nhung
tuong dan » huong dan, tung dan, xuong dan
dan chan » dan gian, dan ca, van chat
chan dau » phan dau, han dau, chan doan

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 trung cua nhung tuong dan chan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sach) OR (chinh sach)) - thanh trung cua nhung tuong dan chan dau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sach) or (chinh sach)) - thanh trung cua nhung tuong dan chan dau*.