Perhaps you should try some spelling variations:
khong trong » khoang trong, thong trong, phong trong
chieu sang » chieu sach, chieu xanh, hieu lang
tranh cua » doanh cua, manh cua
cua khong » hua khong, cua phuong, cua thuong
trong dan » trong dang, trong san, trong tan
dan toan » van toan, dan than, manh toan
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chinh sach) or (chieu sang)) - canh tranh cua khong trong dan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chinh sach) OR (chieu sang)) - canh tranh cua khong trong dan toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chinh sach) or (chieu sang)) - canh tranh cua khong trong dan toan cau*.