Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
cua tong » cua cong, cua dong, cua song
cua nong » cua cong, cuu nong, cua dong
cong dan » cong san, cong tan, huong dan
phan cac » nhan cach, phan dau, phan van
phan lap » phan dau

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 trung ((cua tong) OR (cua nong)) cong dan ((phan cac) or (phan lap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - thanh trung ((cua tong) OR (cua nong)) cong dan ((phan cac) OR (phan lap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - thanh trung ((cua tong) OR (cua nong)) cong dan ((phan cac) or (phan lap))".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh trung ((cua tong) OR (cua nong)) cong dan ((phan cac) or (phan lap))*.