Perhaps you should try some spelling variations:
truong phuong » truong chung, truong trung, quang phuong
dung phuong » dung thuong, bang phuong, dung chung
theo chieu » theo tieu, theo chu, thi chieu
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
ho chieu » hoc thieu, doi chieu, mot chieu
do van » dao van, vo van, so van

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 (theo chieu)) tinh - hanh tranh cua ((dung phuong) or (truong phuong)) do van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (theo chieu)) tinh - hanh tranh cua ((dung phuong) OR (truong phuong)) do van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) OR (theo chieu)) tinh - hanh tranh cua ((dung phuong) or (truong phuong)) do van ban".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) OR (theo chieu)) tinh - hanh tranh cua ((dung phuong) or (truong phuong)) do van ban*.