Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
chieu sang » chieu sach, chieu xanh, hieu lang
hieu van » hieu va, thien van, lieu va
mang cua » dung cua, ban cua, cong cua
manh cua » doanh cua, ban cua
cong dan » cong san, cong tan, huong dan
dan than » dan chan, ban than, van than
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu sang) or (hieu van)) - hanh ((mang cua) or (manh cua)) thuong cong dan than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu sang) OR (hieu van)) - hanh ((mang cua) OR (manh cua)) thuong cong dan than cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu sang) or (hieu van)) - hanh ((mang cua) or (manh cua)) thuong cong dan than cau*.