Perhaps you should try some spelling variations:
tranh luat » trinh luat, trinh luan, tranh cua
tranh luan » trinh luan, trinh luat, doanh luan
hieu manh » chieu xanh, hieu nganh, dieu hanh
doc hieu » toc thieu, hoc thieu, hoc hien
cong van » cong vang, cong san, song van
van tay » van tai, van tan, van tam
tay cao » tao cao, tay co, toan cao

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 manh - canh ((tranh luat) OR (tranh luan)) trong cong van tay cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu manh - canh ((tranh luat) OR (tranh luan)) trong cong van tay cao*".