Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
chieu sang » chieu sach, chieu xanh, hieu lang
dung huong » dung thuong, dung phuong, dong huong
tranh cua » doanh cua, manh cua
chu sang » thu sang, chuc nang, chu quang
chu bang » thu bang, chuc nang, chu quang
cua dung » cua dang, cua dong, qua dung
dan phan » doan phan, dan chan, van phan

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))) or (chu bang)) - hanh tranh cua dung huong dan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((((chu sang) OR (chieu sang))) OR (chu bang)) - hanh tranh cua dung huong dan phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((((chu sang) OR (chieu sang))) or (chu bang)) - hanh tranh cua dung huong dan phan tu".
• Adding a wildcard symbol may retrieve word variants: theo ((((chu sang) OR (chieu sang))) or (chu bang)) - hanh tranh cua dung huong dan phan tu*.