Perhaps you should try some spelling variations:
tran hoang » tran hong, quan hoang, tran quang
thien danh » thien anh, thien dang, thien thanh
hieu manh » chieu xanh, hieu nganh, dieu hanh
van dang » van dong, van dung, van nang
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan tap » toan ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thien danh) or (hieu manh)) - tran hoang ((van dang) or (xay dung)) cong dan toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thien danh) OR (hieu manh)) - tran hoang ((van dang) OR (xay dung)) cong dan toan tap.
• Adding a wildcard symbol may retrieve word variants: hoc ((thien danh) or (hieu manh)) - tran hoang ((van dang) or (xay dung)) cong dan toan tap*.