Perhaps you should try some spelling variations:
phuc khong » thuc khong, thuoc khong, chu khong
cua thuong » cua truong, cua phuong, ca thuong
tieu sach » chieu sach, dien sach, te sach
thanh lap » thanh san, phan lap, thanh hai
cong ban » cong bang, cong san, cong tan
than cap » khan cap, thanh cac, than cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: theo tieu sach - canh tranh ((cua thuong) or (phuc khong)) cong ban ((than cap) OR (thanh lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo tieu sach - canh tranh ((cua thuong) OR (phuc khong)) cong ban ((than cap) OR (thanh lap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo tieu sach - canh tranh ((cua thuong) or (phuc khong)) cong ban ((than cap) OR (thanh lap))".
• Adding a wildcard symbol may retrieve word variants: theo tieu sach - canh tranh ((cua thuong) or (phuc khong)) cong ban ((than cap) OR (thanh lap))*.