Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
nhung cong » dung cong, thong cong, hang cong
cao nhung » cho nhung, cam nhung, cao chung
cong toan » cong tan, cong hoan, cong tuan
doanh cay » doanh chau, doanh tai, doanh cua
doanh cao » doanh co, doanh bao, doanh cho
cong cao » cong cau, cong cac, cong co

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc thieu sach - thanh cong cao nhung cong toan ((doanh cay) OR (doanh cao))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu sach - thanh cong cao nhung cong toan ((doanh cay) OR (doanh cao))".
• Adding a wildcard symbol may retrieve word variants: toc thieu sach - thanh cong cao nhung cong toan ((doanh cay) OR (doanh cao))*.