Perhaps you should try some spelling variations:
nhung huong » nhung phuong, nhung tuong, nhung cong
chinh quan » chinh luan, chinh ngan, trinh quan
chieu sang » chieu sach, chieu xanh, nhieu tang
huong tinh » khuong tinh, thuong tinh, duong tinh
hieu lang » hieu quang, nhieu tang, hieu van
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 ((chieu sang) or (hieu lang)) - hanh ((chinh quan) OR (chinh quyen)) nhung huong tinh toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu sang) OR (hieu lang)) - hanh ((chinh quan) OR (chinh quyen)) nhung huong tinh toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu sang) or (hieu lang)) - hanh ((chinh quan) OR (chinh quyen)) nhung huong tinh toan cao".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu sang) or (hieu lang)) - hanh ((chinh quan) OR (chinh quyen)) nhung huong tinh toan cao*.