Perhaps you should try some spelling variations:
thang nguoi » thanh nguoi, thong nguoi, tang nguoi
hieu quang » thieu quang, hieu quan, hieu qua
hieu lang » chieu sang, nhieu tang, hieu van
chinh cua » chinh ca, chinh sua, hinh cua
cua thang » cua hang, cua thanh, xua thang
nguoi dan » nguoi dao, nguoi san, nguong dan
dan toan » van toan, dan than, manh toan
toan cao » toan ban, toan tap

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) OR (hieu quang)) - hanh chinh cua thang nguoi dan toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((hieu lang) OR (hieu quang)) - hanh chinh cua thang nguoi dan toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((hieu lang) OR (hieu quang)) - hanh chinh cua thang nguoi dan toan cao*.