Perhaps you should try some spelling variations:
dong doanh » dung doanh, trong doanh, doanh doanh
hieu xanh » chieu xanh, hieu manh, hieu nganh
cua thong » cua thuong, cua khong, cua tong
cong hoan » cong hoa, dong hoa, cong san
doc hieu » toc thieu, hoc thieu, hoc hien
canh ban » can ban, canh dan, canh van
phan lap » phan dau
phan cac » nhan cach, phan dau, phan van
ban cua » ban quan

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 - canh ban cua thong ((cong hoan) or (dong doanh)) ((phan lap) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - canh ban cua thong ((cong hoan) OR (dong doanh)) ((phan lap) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - canh ban cua thong ((cong hoan) or (dong doanh)) ((phan lap) or (phan cac))*.