Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
mot chieu » doi chieu, ho chieu
trinh cua » tinh cua, trinh luat, trinh quan
cua trong » cua truong, cua trung, qua trong
cong van » cong vang, cong san, song van
toan cao » toan ban
toan tap » toan ban

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 (hoc hien)) sach - hanh trinh cua trong cong van ((toan cao) or (toan tap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((mot chieu) OR (hoc hien)) sach - hanh trinh cua trong cong van ((toan cao) OR (toan tap)).
• Adding a wildcard symbol may retrieve word variants: ((mot chieu) or (hoc hien)) sach - hanh trinh cua trong cong van ((toan cao) or (toan tap))*.