Perhaps you should try some spelling variations:
tranh hang » trinh han, tran hoang
nhung cong » dung cong, thong cong, hang cong
hieu lang » chieu sang, hieu quang, nhieu tang
tran hong » tran hoang, tran trong
cua nhung » va nhung
cong tan » cong tac, cong san, cong thanh
toan tap » toan ban
toan cao » toan ban
ho hieu » ho chieu, hoi hieu, nho hieu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho hieu lang - ((tranh hang) or (tran hong)) cua nhung cong tan ((toan tap) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho hieu lang - ((tranh hang) OR (tran hong)) cua nhung cong tan ((toan tap) OR (toan cao)).
• Adding a wildcard symbol may retrieve word variants: ho hieu lang - ((tranh hang) or (tran hong)) cua nhung cong tan ((toan tap) or (toan cao))*.