Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hanh trang » thanh trung, canh tranh, hanh trinh
cua phuong » cuu phuong, luan phuong, xuan phuong
cuc phuong » cac phuong, cuu phuong, chuc thuong
hoc thieu » toc thieu, hoc hien
thanh ban » thanh san, thanh van, thanh bac
cong san » cong tac
than ban » toan ban, than man, nhuan ban

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 trang ((cua phuong) OR (cuc phuong)) cong san ((than ban) or (thanh ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh trang ((cua phuong) OR (cuc phuong)) cong san ((than ban) OR (thanh ban)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - hanh trang ((cua phuong) OR (cuc phuong)) cong san ((than ban) or (thanh ban))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh trang ((cua phuong) OR (cuc phuong)) cong san ((than ban) or (thanh ban))*.