Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
toc chieu » doc hieu, hoc thieu, doi chieu
tranh cua » manh cua
doanh cua » doanh luan
tac thanh » bac thanh, cac thanh, tcc thanh
thanh cau » thanh chau, thanh mau, nhanh cau
cong tac » cong ty

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((toc chieu) OR (toc thieu)) sach - canh ((tranh cua) or (doanh cua)) nhung cong tac thanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((toc chieu) OR (toc thieu)) sach - canh ((tranh cua) OR (doanh cua)) nhung cong tac thanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((toc chieu) OR (toc thieu)) sach - canh ((tranh cua) or (doanh cua)) nhung cong tac thanh cau".
• Adding a wildcard symbol may retrieve word variants: ((toc chieu) OR (toc thieu)) sach - canh ((tranh cua) or (doanh cua)) nhung cong tac thanh cau*.