Perhaps you should try some spelling variations:
thinh doan » chinh doanh, hinh toan, thi doan
thoi hanh » thi hanh, troi hanh, tuoi thanh
doan tran » doan trang, doan tuan, hoan tran
tran dung » tran dang, tran hung, tran quang
dung cong » dung trong
hoang van » hang va
doi thoi » doi thoai, moi thoi, do thoi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi thoi hanh - thinh doan tran dung cong ((hoang van) or (trong cac)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi thoi hanh - thinh doan tran dung cong ((hoang van) OR (trong cac)) ban*.