Perhaps you should try some spelling variations:
chieu sang » chieu sach, chieu xanh, hieu lang
trong hach » trong mach, trong cach, trong hanh
hoc chieu » hoc thieu, ho chieu, hoc hien
luan dung » lan dung, luan dong, luan hung
hach toan » thanh toan, manh toan
anh dung » anh dong, anh huong, sach dung
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chieu sang - anh dung luan dung trong hach toan ban~.
• Adding a wildcard symbol may retrieve word variants: hoc chieu sang - anh dung luan dung trong hach toan ban*.