Perhaps you should try some spelling variations:
trang luat » tang luat, truong luat, tang luan
quang cong » quang cuong, quang dong, quang hoang
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
cong tam » cong tac, cong tan, cong nam
tam toan » tap toan, tam than, pham toan
toan ban » van ban

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 ((trang luat) OR (trinh luat)) quang cong tam toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo hieu lang - hanh ((trang luat) OR (trinh luat)) quang cong tam toan ban".
• Adding a wildcard symbol may retrieve word variants: theo hieu lang - hanh ((trang luat) OR (trinh luat)) quang cong tam toan ban*.