Perhaps you should try some spelling variations:
hieu xanh » chieu xanh, hieu manh, hieu nganh
toan tuan » toan quan, toan luan, than tuan
doan tuan » doan quan, doanh luan, doan quang
tran tuan » tran xuan, tran quang, tran thanh
dang cong » dung cong
san thanh » ban thanh, van thanh, son thanh
thanh cao » thanh ca, thanh cac, thanh thao
doc hieu » toc thieu, hoc thieu, hoc hien
cong san » cong tac

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 - manh ((((toan tuan) OR (doan tuan))) or (tran tuan)) dang cong san thanh cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - manh ((((toan tuan) OR (doan tuan))) OR (tran tuan)) dang cong san thanh cao*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu xanh - manh ((((toan tuan) OR (doan tuan))) or (tran tuan)) dang cong san thanh cao*".