Perhaps you should try some spelling variations:
thanh trung » thanh tung
thieu sach » chieu sach, thien hach, hieu cach
khong cong » thong cong, chong cong, khong con
khong cang » thong cong, hong bang, khong dung
hoc thieu » toc thieu, hoc hien
trung cua » truong cua, trung tuan, trung cap
bieu toan » hieu toan, kiem toan, bien soan
toan tap » toan ban

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 ((khong cong) OR (khong cang)) bieu toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc thieu sach - thanh trung cua ((khong cong) OR (khong cang)) bieu toan tap".
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - thanh trung cua ((khong cong) OR (khong cang)) bieu toan tap*.