Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
thong cong » trong cong, tong cong, thong thong
lanh minh » lanh dinh, lanh manh, thanh minh
chu sang » chu bang, thu sang, chuc nang
va thong » va thuong, va phuong, he thong
cong dan » cong san, cong tan, huong dan
toan ban » van ban
minh va » tinh va, sinh va, sinh vat

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chu sang) or (chieu sang)) - lanh minh va thong cong dan ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu sang) OR (chieu sang)) - lanh minh va thong cong dan ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: theo ((chu sang) or (chieu sang)) - lanh minh va thong cong dan ((toan tap) or (toan ban))*.