Perhaps you should try some spelling variations:
nhung cong » dung cong, thong cong, hang cong
sang sach » mang sach, ban sach, sang tac
tranh cua » doanh cua, manh cua
cua nhung » va nhung
hoc sang » hoc bang, hoc tang, hoc hang
cong tan » cong tac, cong san, cong thanh
tran ban » tranh ban, tran van, 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 sang sach - canh tranh cua nhung cong tan tran ban~.
• Adding a wildcard symbol may retrieve word variants: hoc sang sach - canh tranh cua nhung cong tan tran ban*.