Perhaps you should try some spelling variations:
phuong manh » phuong anh, phung manh, phuong danh
tieu sach » chieu sach, dien sach, te sach
hanh nang » ganh nang, hanh mang, hanh trang
cua hoang » quan hoang, tuan hoang, xuan hoang
manh toan » thanh toan, anh tuan, tinh toan
anh nang » ganh nang, anh bang, anh dang
cua hang » cua dang, cua nhung, cua cong
toan cau » toan cao, toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - ((hanh nang) or (anh nang)) ((cua hoang) OR (cua hang)) phuong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - ((hanh nang) OR (anh nang)) ((cua hoang) OR (cua hang)) phuong manh toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sach - ((hanh nang) or (anh nang)) ((cua hoang) OR (cua hang)) phuong manh toan cau".
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - ((hanh nang) or (anh nang)) ((cua hoang) OR (cua hang)) phuong manh toan cau*.