Perhaps you should try some spelling variations:
trung thang » trung thanh, trung tang, truong thanh
thang nhung » thong nhung, tang nhung, thanh hung
manh trung » manh tung, thanh trung, manh hung
tieu sang » chieu sang, tieu dung, tiem nang
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sang - manh trung thang nhung ((cong dan) or (cong tan)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sang - manh trung thang nhung ((cong dan) OR (cong tan)) toan cau*.