Perhaps you should try some spelling variations:
nhieu tang » chieu sang, nhiet nang
hieu lang » chieu sang, hieu quang, hieu van
hanh hang » thanh hang, hang hang, hanh han
dang cong » dung cong
hang cua » mang cua, hang ca, huong cua
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong thanh
tran cao » toan cao, tran chau, trang cho

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 lang) OR (nhieu tang)) - hanh hang cua dang cong tan tran cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((hieu lang) OR (nhieu tang)) - hanh hang cua dang cong tan tran cao*".