Perhaps you should try some spelling variations:
pham chieu » phan hieu, pham hiep, phap hieu
chieu sang » chieu sach, chieu xanh, hieu lang
hanh tranh » canh tranh, hanh trinh, hanh trang
trong dung » thong dung, trung dung, trong rung
chua dong » cua dong, ha dong, huy dong
dung toan » dung doanh, dung thang, dung thanh
cua dang » cua cong, cua ban
toan tap » toan ban

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

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