Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
trong dong » trong cong, trong nong, trong dang
phan hieu » van hieu, phan kien, gian hieu
hieu sang » chieu sang, hieu lang, hieu quang
chua dong » cua dong, ha dong, huy dong
dong toan » dung toan, bong toan, cong toan
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: phan hieu sang - hanh tranh ((cua cong) or (chua dong)) trong dong toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: phan hieu sang - hanh tranh ((cua cong) OR (chua dong)) trong dong toan tap.
• Adding a wildcard symbol may retrieve word variants: phan hieu sang - hanh tranh ((cua cong) or (chua dong)) trong dong toan tap*.