Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
cong tran » cong tan, cong tuan, cong toan
tran dang » tran quang, tran hoang, tranh hang
dang dong » dang cong, dung dong, dan dong
dong van » duong van, dang van, dong von
van phan » van phong, van thanh, luan phan
phan lap » phan dau

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc ((hieu manh) or (thien danh)) - thanh cong tran dang dong van phan lap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((hieu manh) OR (thien danh)) - thanh cong tran dang dong van phan lap.
• Adding a wildcard symbol may retrieve word variants: toc ((hieu manh) or (thien danh)) - thanh cong tran dang dong van phan lap*.