Perhaps you should try some spelling variations:
chieu sach » chieu sang, chieu xanh, hieu cach
hanh trinh » canh tranh, hanh chinh
thong cong » trong cong, tong cong, thong thong
trinh cua » tinh cua, trinh luat, trinh quan
cua thong » cua thuong, cua khong, cua tong
cong tan » cong tac, cong san, cong thanh
tan toan » tan tran, tap toan, van toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((((chieu sach) or (chiet tach))) or (chinh sach)) - hanh trinh cua thong cong tan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((((chieu sach) OR (chiet tach))) OR (chinh sach)) - hanh trinh cua thong cong tan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu sach) or (chiet tach))) or (chinh sach)) - hanh trinh cua thong cong tan toan ban*.