Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh trang » thanh trung, canh tranh, hanh trinh
tuan hoang » quan hoang, tran hoang, xuan hoang
tuan hang » tuan bang, tuan dang, tuan hung
ho chieu » theo chieu, hoc thieu, doi chieu
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap

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 trang ((tuan hang) OR (tuan hoang)) cong tac toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh trang ((tuan hang) OR (tuan hoang)) cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh trang ((tuan hang) OR (tuan hoang)) cong tac toan cau*.