Perhaps you should try some spelling variations:
tieu sach » chieu sach, dien sach, te sach
hanh tang » hanh trang, anh tang, hanh mang
cua nhan » ca nhan, cua nha, cua nhung
cua ngan » cua ban, vu ngan, cua dan
tong van » trong van, thong van, tang van
van toan » van tuan, van tan, van thanh
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 tang ((cua nhan) or (cua ngan)) tong van toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - hanh tang ((cua nhan) OR (cua ngan)) tong van toan cau.
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - hanh tang ((cua nhan) or (cua ngan)) tong van toan cau*.