Perhaps you should try some spelling variations:
thanh thang » nhanh thang, thanh thanh, thanh hang
thang luat » tang luat, tang luan, hang luan
luat cong » thuat cong, luat chung, cua cong
duong van » luong va, dang van, trong van
doc hieu » toc thieu, hoc thieu, hoc hien
duong va » dung va, luong va, dong va
toan cau » toan cao, toan ban, toan tap
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doc hieu) or (doi chi)) sang - thanh thang luat cong ((duong van) or (duong va)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doc hieu) OR (doi chi)) sang - thanh thang luat cong ((duong van) OR (duong va)) toan cau.
• Adding a wildcard symbol may retrieve word variants: ((doc hieu) or (doi chi)) sang - thanh thang luat cong ((duong van) or (duong va)) toan cau*.