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
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, bang cong
cua hang » cua dang, cua nhung, cua cong
dan than » dan chan, ban than, dan toan
van than » van thanh, van thang, van tuan

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 hang cong ((((dan than) or (xuan toan))) or (van than)) cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh tranh cua hang cong ((((dan than) OR (xuan toan))) OR (van than)) cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh tranh cua hang cong ((((dan than) or (xuan toan))) or (van than)) cao*.