Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
hieu tach » hieu cach, chiet tach, chieu sach
tranh cua » doanh cua, manh cua
cua nhung » va nhung
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
doc hieu » toc thieu, hoc thieu, hoc hien
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: doc hieu tach - canh tranh cua nhung cong manh toan ban~.
• Adding a wildcard symbol may retrieve word variants: doc hieu tach - canh tranh cua nhung cong manh toan ban*.