Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
thanh cung » thanh cuong, thanh cong, thanh tung
hoc thieu » toc thieu, hoc hien
cap trong » cay trong, ca trong, cad trong
cung cap » trung cap
cong dan » cong san, cong tan, huong dan
phan cau » phan dau, phan tu, phan lap
phan cac » nhan cach, phan dau, phan lap

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 - thanh cung cap trong cong dan ((phan cau) or (phan cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh cung cap trong cong dan ((phan cau) OR (phan cac)).
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh cung cap trong cong dan ((phan cau) or (phan cac))*.