Perhaps you should try some spelling variations:
dang cong » dung cong
ban trang » banh trang, ban trong, ban tran
chi xanh » chi anh, chi danh, chieu xanh
chi hanh » chi nhanh, chi thanh, thi hanh
trang va » tran van, hang va
cong san » cong tac
pham can » pham van, pham lan, pham san
va dang » van dang, va nang, va lang
pham ca » pham ma, pham va, pham ba

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((chi xanh) or (chi hanh)) - ban trang va dang cong san ((pham ca) OR (pham can))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chi xanh) OR (chi hanh)) - ban trang va dang cong san ((pham ca) OR (pham can)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((chi xanh) or (chi hanh)) - ban trang va dang cong san ((pham ca) OR (pham can))".
• Adding a wildcard symbol may retrieve word variants: doi ((chi xanh) or (chi hanh)) - ban trang va dang cong san ((pham ca) OR (pham can))*.