Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
lang thanh » dang thanh, tang thanh, lang thang
doi chieu » doc hieu, doi chi, mot chieu
trinh cua » tinh cua, trinh luat, trinh quan
dang toan » dang tran, dan toan, dung toan
ho chieu » theo chieu, hoc thieu, mot chieu
ban cong » bang cong, van cong, phan cong

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 (ho chieu)) sach - hanh trinh cua ban cong ((lang thanh) or (dang toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (ho chieu)) sach - hanh trinh cua ban cong ((lang thanh) OR (dang toan)) cau.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (ho chieu)) sach - hanh trinh cua ban cong ((lang thanh) or (dang toan)) cau*.