Perhaps you should try some spelling variations:
hieu nganh » vien nganh, hiem ngan, hieu manh
nhieu tang » chieu sang, nhiet nang
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, hieu van
hanh tang » hanh trang, anh tang, hanh mang
cua nhung » va nhung
tang cua » mang cua, hang cua, tang luan
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, ran cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((hieu nganh) or (((nhieu tang) or (hieu lang)))) - hanh tang cua nhung cong tan tran cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((hieu nganh) OR (((nhieu tang) OR (hieu lang)))) - hanh tang cua nhung cong tan tran cau.
• Adding a wildcard symbol may retrieve word variants: theo ((hieu nganh) or (((nhieu tang) or (hieu lang)))) - hanh tang cua nhung cong tan tran cau*.