Perhaps you should try some spelling variations:
mot chieu » ho chieu
doi chieu » doc hieu, doi chi, ho chieu
hanh hang » thanh hang, hang hang, hanh han
cua thong » cua thuong, cua khong, cua tong
hang cua » mang cua, hang ca, huong cua
tin phan » trinh phan, toan phan, van phan
phan tai » pham tai, nhan tai, phan thi

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 chieu)) sach - hanh hang cua thong thong tin phan tai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (doi chieu)) sach - hanh hang cua thong thong tin phan tai*.