Perhaps you should try some spelling variations:
trung cong » truong cong, trong cong, trung uong
thieu sach » chieu sach, thien hach, hieu cach
hoc thieu » toc thieu, hoc hien
hanh manh » hanh mang, lanh manh, hoang manh
cua trung » cua truong, xuan trung, cua nhung
hach toan » thanh toan, manh toan
manh cua » doanh cua, ban cua
tac toan » tap toan, tam toan, tich toan

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