Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
trinh qua » trinh quan, trinh cua, trinh quang
tranh cua » doanh cua, manh cua
dung cong » dung trong
cong van » cong vang, cong san, song van
phan cau » phan cac, phan tu, phan lap
phan dau » phan tu, hang dau

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 - canh ((trinh qua) or (tranh cua)) dung cong van ((phan cau) or (phan dau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc thieu sach - canh ((trinh qua) OR (tranh cua)) dung cong van ((phan cau) OR (phan dau)).
• Adding a wildcard symbol may retrieve word variants: toc thieu sach - canh ((trinh qua) or (tranh cua)) dung cong van ((phan cau) or (phan dau))*.