Perhaps you should try some spelling variations:
truong cong » trong cong, truong dong, truong long
xuan truong » xa truong, duong truong
hanh trang » thanh trung, canh tranh, minh trang
hanh trinh » canh tranh, hanh chinh
tieu sach » chieu sach, dien sach, te sach
cong tac » cong ty
toan cau » toan cao, toan tap, toan tai
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: theo tieu sach - ((hanh trang) or (hanh trinh)) xuan truong cong tac ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - ((hanh trang) OR (hanh trinh)) xuan truong cong tac ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - ((hanh trang) or (hanh trinh)) xuan truong cong tac ((toan cau) or (toan ban))*.