Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
luan tuong » luan luong, luat thuong, xuan truong
luat thong » luat thuong, suat thong, xuat thong
hanh tang » hanh trang, anh tang, hanh mang
cong dan » cong san, cong tan, huong dan
dan phan » doan phan, dan chan, van phan
phan cau » phan dau, phan cac, phan tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((chieu sang) or (dieu hanh)) - hanh tang ((luan tuong) or (luat thong)) cong dan phan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu sang) OR (dieu hanh)) - hanh tang ((luan tuong) OR (luat thong)) cong dan phan cau.
• Adding a wildcard symbol may retrieve word variants: doc ((chieu sang) or (dieu hanh)) - hanh tang ((luan tuong) or (luat thong)) cong dan phan cau*.