Perhaps you should try some spelling variations:
truong phuong » truong chung, truong trung, dung phuong
phuong danh » phuong anh, phuong dinh, phuong hanh
theo chieu » theo tieu, ho chieu, theo chu
mot chieu » doi chieu, ho chieu
trinh vat » trinh van, trinh luat, trinh han
danh van » doanh van, dang van, dinh van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (mot chieu)) xanh - hanh ((trinh vat) OR (sinh vat)) truong phuong danh van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (mot chieu)) xanh - hanh ((trinh vat) OR (sinh vat)) truong phuong danh van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (mot chieu)) xanh - hanh ((trinh vat) OR (sinh vat)) truong phuong danh van ban".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (mot chieu)) xanh - hanh ((trinh vat) OR (sinh vat)) truong phuong danh van ban*.