Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
hanh tranh » canh tranh, hanh trinh, hanh trang
hieu xanh » chieu xanh, hieu manh, hieu nganh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
doc hieu » toc thieu, hoc thieu, hoc hien
toan ban » van ban
than ma » than man, than va, khan ma

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 xanh - hanh tranh cua nhung huong dan ((toan ban) or (than ma))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - hanh tranh cua nhung huong dan ((toan ban) OR (than ma)).
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - hanh tranh cua nhung huong dan ((toan ban) or (than ma))*.