Perhaps you should try some spelling variations:
hiem ngan » kim ngan, viem gan
tranh cua » manh cua
doanh cua » doanh luan
dang cong » dung cong
hoc hiem » hoc hien, hoc thieu, hoc thiet
cong ban » cong bang, cong san, cong tan
ban than » ban thanh, van thanh, ban hang
than cau » toan cau, phan cau, than cap

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc hiem ngan - canh ((tranh cua) or (doanh cua)) dang cong ban than cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc hiem ngan - canh ((tranh cua) OR (doanh cua)) dang cong ban than cau*.