Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
chieu sang » chieu sach, chieu xanh, hieu lang
tang nguoi » thang nguoi, tang nguon, nang nguoi
nguoi van » nguoi san, nguoi dan, nguoi va
chinh su » hinh su, chinh phu, chinh ta
toan cao » toan tap
toan ban » van ban
su tang » sau tang, su dang, su bang

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 quang) or (chieu sang)) - hanh chinh su tang nguoi van ((toan cao) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((hieu quang) OR (chieu sang)) - hanh chinh su tang nguoi van ((toan cao) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho ((hieu quang) or (chieu sang)) - hanh chinh su tang nguoi van ((toan cao) or (toan ban))*.