Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
chieu sach » chinh sach, chiet tach, chieu sang
hanh tram » hanh tam, hanh trang, thanh tran
van thong » van thuong, van phong, va thong
tram van » tran van, tam van, trang van
cong tai » cong thai, cong tac, dong tai
tai phan » tai thanh, tai phong, tai ngan
phan dau » phan tu, hang dau

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho ((dieu hanh) or (chieu sach)) - hanh tram van thong cong tai phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((dieu hanh) OR (chieu sach)) - hanh tram van thong cong tai phan dau.
• Adding a wildcard symbol may retrieve word variants: ho ((dieu hanh) or (chieu sach)) - hanh tram van thong cong tai phan dau*.