Perhaps you should try some spelling variations:
cong ngang » cong nhan, cong quang, cong lang
hieu xanh » chieu xanh, hieu manh, hieu nganh
canh manh » lanh manh, canh tranh, cach mang
cong vang » cong lang, cong quang, cong san
thanh lap » thanh san, phan lap, thanh hai
doc hieu » toc thieu, hoc thieu, hoc hien
manh cua » doanh cua, ban cua
cua bang » chua bang, cua ban, cua dang
cong van » cong san, song van, cong tan

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 manh cua bang ((cong van) or (((cong vang) or (cong ngang)))) thanh lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - canh manh cua bang ((cong van) OR (((cong vang) OR (cong ngang)))) thanh lap.
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - canh manh cua bang ((cong van) or (((cong vang) or (cong ngang)))) thanh lap*.