Perhaps you should try some spelling variations:
hanh trang » thanh trung, hanh trinh, minh trang
nhung cong » dung cong, thong cong, hang cong
cua nhung » va nhung
hoc dieu » hoc thieu, hoc hien
hoc tieu » hoc thieu, hoc sieu, hoc tieng
cong san » cong tac
san toan » van toan, dan toan, manh 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 dieu) or (hoc tieu)) tinh - ((hanh trang) or (canh tranh)) cua nhung cong san toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc dieu) OR (hoc tieu)) tinh - ((hanh trang) OR (canh tranh)) cua nhung cong san toan ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc dieu) or (hoc tieu)) tinh - ((hanh trang) or (canh tranh)) cua nhung cong san toan ban*.