Perhaps you should try some spelling variations:
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
hanh tang » hanh trang, anh tang, hanh mang
dang cong » dung cong
tang cua » mang cua, hang cua, tang luan
cua dang » cua cong, cua ban
dan chan » dan ca
van chat » cao chat

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 - hanh tang cua dang cong ((((dan chan) OR (van chat))) or (dan gian)) ta~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - hanh tang cua dang cong ((((dan chan) OR (van chat))) OR (dan gian)) ta*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo hieu lang - hanh tang cua dang cong ((((dan chan) OR (van chat))) or (dan gian)) ta*".