Perhaps you should try some spelling variations:
chiet tach » chieu sach
hanh trang » thanh trung, minh trang, tinh trang
hanh trinh » hanh chinh
nhung cong » dung cong, thong cong, hang cong
ho chiet » ho chieu, ho thiet, hoc thiet
cong tac » cong ty
tac toan » tap toan, tam toan, hach 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: ho chiet tach - ((((hanh trang) or (canh tranh))) or (hanh trinh)) va nhung cong tac toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - ((((hanh trang) OR (canh tranh))) OR (hanh trinh)) va nhung cong tac toan ban.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - ((((hanh trang) or (canh tranh))) or (hanh trinh)) va nhung cong tac toan ban*.