Perhaps you should try some spelling variations:
tran thanh » ban thanh, van thanh, quan thanh
cong thanh » dong thanh, cong trinh, truong thanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
van tuan » van quan, van ban, anh tuan
cong tan » cong tac, cong san, cong ty
toan ban » van 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 ((tran thanh) or (van tuan)) - canh tranh cua nhung ((cong tan) or (cong thanh)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((tran thanh) OR (van tuan)) - canh tranh cua nhung ((cong tan) OR (cong thanh)) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((tran thanh) or (van tuan)) - canh tranh cua nhung ((cong tan) or (cong thanh)) toan ban*.