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
cua nhung » va nhung
cong hai » cong thai, cong ha, hoang hai
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 nhung ((uong bi) or (cong hai)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh tranh cua nhung ((uong bi) OR (cong hai)) toan cao.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh tranh cua nhung ((uong bi) or (cong hai)) toan cao*.