Perhaps you should try some spelling variations:
thang hang » thanh hang, thanh hoang, thanh thang
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
thanh toan » thanh hoa, thanh san, tinh toan
theo hieu » theo chieu, theo tieu, thien hieu
hieu lang » chieu sang, hieu quang, nhieu tang
hang hang » nang hang, cang thang, hung thang
cua nhung » va nhung
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 - ((hang hang) or (thang hang)) cua nhung cong thanh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo hieu lang - ((hang hang) OR (thang hang)) cua nhung cong thanh toan ban*.