Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
chieu sach » chiet tach, chieu sang, chieu xanh
thanh tung » thanh cong
tuong dan » huong dan, tung dan, xuong dan
dan phan » doan phan, dan chan, van phan
phan tap » phan lap, han tap, pha tap
tung va » trung va, tuong va, dung va

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chieu sach) OR (chinh sach)) - thanh tung va nhung tuong dan phan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chieu sach) OR (chinh sach)) - thanh tung va nhung tuong dan phan tap".
• Adding a wildcard symbol may retrieve word variants: doi ((chieu sach) OR (chinh sach)) - thanh tung va nhung tuong dan phan tap*.