Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, nghiep nganh
chieu sach » chinh sach, chiet tach, chieu sang
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
hieu manh » chieu xanh, dieu hanh, hien hanh
trinh cua » tinh cua, trinh luat, trinh quan
cua thong » cua thuong, cua khong, cua tong
cong san » cong tac
san van » tan van, luan van, tran van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((((hieu manh) or (hieu nganh))) or (chieu sach)) - hanh trinh cua thong cong san van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((hieu manh) OR (hieu nganh))) OR (chieu sach)) - hanh trinh cua thong cong san van ban.
• Adding a wildcard symbol may retrieve word variants: ho ((((hieu manh) or (hieu nganh))) or (chieu sach)) - hanh trinh cua thong cong san van ban*.