Perhaps you should try some spelling variations:
chieu sach » chieu sang, chieu xanh, hieu cach
hanh trinh » canh tranh, hanh chinh
nhung cong » dung cong, thong cong, hang cong
trinh cua » tinh cua, trinh luat, trinh quan
cua nhung » va nhung
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 nhung 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 nhung cong tan toan ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((((chieu sach) OR (chiet tach))) or (chinh sach)) - hanh trinh cua nhung cong tan toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc ((((chieu sach) OR (chiet tach))) or (chinh sach)) - hanh trinh cua nhung cong tan toan ban*.