Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
doi chieu » doc hieu, doi chi, ho chieu
trong dan » trong dang, trong san, trong tan
cua dung » cua dang, cua dong, qua dung
dan thai » dang thai, dan thi, dan than
thai cao » tai cao, thoai cac, thuat cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chieu sang - ((hanh tranh) or (hanh trinh)) cua dung trong dan thai cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sang - ((hanh tranh) OR (hanh trinh)) cua dung trong dan thai cao.
• Adding a wildcard symbol may retrieve word variants: doi chieu sang - ((hanh tranh) or (hanh trinh)) cua dung trong dan thai cao*.