Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
thanh tuan » thanh toan, thanh xuan, thanh thanh
mot chieu » doi chieu, ho chieu
cua nhung » va nhung
tuan cao » toan cao, juan cao, quang cao
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((mot chieu) or (doi chi)) sach - ((hanh tranh) OR (hanh trinh)) cua nhung cong thanh tuan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doi chi)) sach - ((hanh tranh) OR (hanh trinh)) cua nhung cong thanh tuan cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((mot chieu) or (doi chi)) sach - ((hanh tranh) OR (hanh trinh)) cua nhung cong thanh tuan cao*".