Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hanh tranh » canh tranh, hanh trinh, hanh trang
hoc thieu » toc thieu, hoc hien
trong tan » trong quan, trong cac, trong ca
cua dung » cua dang, cua dong, qua dung
tan toan » tan tran, tap toan, van 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: hoc thieu sach - hanh tranh ((cua dung) or (cua cong)) trong tan toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh tranh ((cua dung) OR (cua cong)) trong tan toan cau.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh tranh ((cua dung) or (cua cong)) trong tan toan cau*.