Perhaps you should try some spelling variations:
chieu sang » chieu sach, hieu lang, nhieu tang
chieu xanh » chieu sach, chieu tinh, hieu manh
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, chuc nang
tranh va » tranh van, trang va, trinh va
va thong » va thuong, va phuong, he thong
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: theo ((chu sang) OR (((chieu sang) OR (chieu xanh)))) - 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 (((chieu sang) OR (chieu xanh)))) - hanh tranh va thong cong tinh toan ban~".
• Adding a wildcard symbol may retrieve word variants: theo ((chu sang) or (((chieu sang) OR (chieu xanh)))) - hanh tranh va thong cong tinh toan ban*.