Perhaps you should try some spelling variations:
hanh trang » thanh trung, canh tranh, hanh trinh
nhung cong » dung cong, thong cong, hang cong
hoc chieu » hoc thieu, hoc hien, hoc dieu
hang nong » thang long, han tong
ho chieu » theo chieu, hoc thieu, doi chieu
trang va » tran van, hang va
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((hoc chieu) or (ho chieu)) sach - hanh trang va ((nhung cong) or (hang nong)) tinh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc chieu) OR (ho chieu)) sach - hanh trang va ((nhung cong) OR (hang nong)) tinh toan ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc chieu) or (ho chieu)) sach - hanh trang va ((nhung cong) or (hang nong)) tinh toan ban*.