Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
khang dong » khong dong, khanh duong, hanh dong
hieu manh » chieu xanh, hieu nganh, dieu hanh
van khang » van khanh, van thanh, van quang
cong van » cong vang, cong san, song van
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 van khang 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 van khang dong van phan lap.
• Adding a wildcard symbol may retrieve word variants: toc ((hieu manh) or (thien danh)) - thanh cong van khang dong van phan lap*.