Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
trong manh » trong minh, trong anh, trong mach
tang luan » dung luan
manh toan » thanh toan, anh tuan, tinh toan
tang cua » mang cua, hang cua, thong cua
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: theo chieu xanh - anh ((tang cua) or (tang luan)) dung trong manh toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu xanh - anh ((tang cua) OR (tang luan)) dung trong manh toan ban*.