Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
trang tuan » tran tuan, trung tuan, trong tuan
trang qua » trong qua, trong quan, trung quan
dung cong » dung trong
cong manh » cong danh, duong manh, cong thanh
manh toan » thanh toan, anh tuan, tinh toan
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: toc thieu sach - hanh ((trang qua) or (trang tuan)) dung cong manh toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu sach - hanh ((trang qua) OR (trang tuan)) dung cong manh toan cau.
• Adding a wildcard symbol may retrieve word variants: toc thieu sach - hanh ((trang qua) or (trang tuan)) dung cong manh toan cau*.