Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, thien anh, thien danh
thanh hang » thanh hoang, thanh thang, tranh hang
hieu manh » chieu xanh, hieu nganh, dieu hanh
phung ban » phung van, phong ban, phung ba
van dung » van dong, xay dung, tin dung
va duong » van duong, va tuong, va huong
ban hanh » ban hang
hanh cau » nhanh cau, hang cau, hanh cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) OR (hieu manh)) - thanh hang ((van dung) or (va duong)) phung ban hanh cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (hieu manh)) - thanh hang ((van dung) OR (va duong)) phung ban hanh cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((thieu xanh) OR (hieu manh)) - thanh hang ((van dung) or (va duong)) phung ban hanh cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((thieu xanh) OR (hieu manh)) - thanh hang ((van dung) or (va duong)) phung ban hanh cau*.