Perhaps you should try some spelling variations:
hieu quang » thieu quang, hieu quan, hieu qua
chieu tinh » trieu tinh, lieu tinh, chau tinh
nhung tung » nhung tuong, nhung dung, nhung vung
hieu lang » chieu sang, nhieu tang, hieu van
lanh manh » lanh tranh, lan anh, van manh
cua nhung » va nhung
tung tinh » trung tinh, tung hinh, dung tinh
manh cua » doanh cua, ban cua
toan ban » van ban

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((((hieu lang) OR (hieu quang))) OR (chieu tinh)) - lanh manh cua nhung tung tinh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((((hieu lang) OR (hieu quang))) or (chieu tinh)) - lanh manh cua nhung tung tinh toan ban~".
• Adding a wildcard symbol may retrieve word variants: ho ((((hieu lang) OR (hieu quang))) or (chieu tinh)) - lanh manh cua nhung tung tinh toan ban*.