Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tranh » canh tranh, hanh trinh, hanh trang
thong cong » trong cong, tong cong, thong thong
cong tinh » cong trinh, cong vinh, long tinh
chu sang » chu bang, thu sang, chu quang
tranh va » tranh van, trang va, trinh va
va thong » va thuong, va phuong, he thong
toan ban » van ban
chuc » thuc, chua, phuc

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: theo ((((chu sang) OR (chuc nang))) OR (chieu sang)) - hanh tranh va thong cong tinh toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((((chu sang) OR (chuc nang))) or (chieu sang)) - hanh tranh va thong cong tinh toan ban~".
• Adding a wildcard symbol may retrieve word variants: theo ((((chu sang) OR (chuc nang))) or (chieu sang)) - hanh tranh va thong cong tinh toan ban*.