Perhaps you should try some spelling variations:
nhung tuong » nhung huong, nhung phuong, hung vuong
thanh tung » thanh cong
doi chieu » doi chi, ho chieu, mot chieu
tuong dan » huong dan, tung dan, xuong dan
doc hieu » toc thieu, hoc thieu, hoc hien
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) OR (doc hieu)) sach - thanh tung va nhung tuong dan phan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) OR (doc hieu)) sach - thanh tung va nhung tuong dan phan tap".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) OR (doc hieu)) sach - thanh tung va nhung tuong dan phan tap*.