Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
thieu sach » chieu sach, thien hach, hieu cach
hanh hang » thanh hang, hanh han, hanh mang
hang hang » nang hang, cang thang, hung thang
cua nhung » va nhung
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
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: toc thieu sach - ((hanh hang) OR (hang hang)) cua nhung cong tac toan tap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc thieu sach - ((hanh hang) OR (hang hang)) cua nhung cong tac toan tap".
• Adding a wildcard symbol may retrieve word variants: toc thieu sach - ((hanh hang) OR (hang hang)) cua nhung cong tac toan tap*.