Perhaps you should try some spelling variations:
dung chung » dung cong, dung ung, dung trung
thanh toan » thanh hoa, thanh san
hoc thieu » toc thieu, hoc hien
ho chieu » theo chieu, doi chieu, mot chieu
anh tang » anh bang, anh dang, anh nang
tang va » trang va, tang van, thang va
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((ho chieu) or (hoc thieu)) xanh - anh tang va dung chung ((thanh toan) OR (tinh toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - anh tang va dung chung ((thanh toan) OR (tinh toan)) cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) xanh - anh tang va dung chung ((thanh toan) OR (tinh toan)) cau".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - anh tang va dung chung ((thanh toan) OR (tinh toan)) cau*.