Perhaps you should try some spelling variations:
thien danh » thien anh, thien dang, thien thanh
hanh trang » thanh trung, canh tranh, hanh trinh
hien hanh » dieu hanh
lang cong » dang cong, bang cong, hang cong
trang va » tran van, hang va
cong san » cong tac
toan cao » toan ban, toan tap
va lang » va nang, hoa lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: duoc ((thien danh) or (hien hanh)) - hanh trang va lang cong san ((van ban) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: duoc ((thien danh) OR (hien hanh)) - hanh trang va lang cong san ((van ban) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: duoc ((thien danh) or (hien hanh)) - hanh trang va lang cong san ((van ban) or (toan cao))*.