Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
phuong dong » phuong dung, phuong hoang, chuong duong
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
trinh cua » tinh cua, trinh luat, trinh quan
ho chieu » theo chieu, hoc thieu, doi chieu
khai bao » hai ba, khi bai, khoi bay
hai bao » hoai bao, hai ba, tai bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - hanh trinh cua ((thuong cong) or (phuong dong)) ((hai bao) OR (khai bao)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh trinh cua ((thuong cong) OR (phuong dong)) ((hai bao) OR (khai bao)) cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh trinh cua ((thuong cong) or (phuong dong)) ((hai bao) OR (khai bao)) cao".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trinh cua ((thuong cong) or (phuong dong)) ((hai bao) OR (khai bao)) cao*.