Perhaps you should try some spelling variations:
dong phuong » duong phuong, dung phuong, dong huong
trinh luan » trinh luat, trinh quan, trinh han
phuong ban » phuong bang, phuong lan, phuong bac
hoc thieu » toc thieu, hoc hien
ho chieu » theo chieu, doi chieu, mot chieu
tinh cua » trinh cua, sinh cua, tinh chat
ban hanh » ban hang
hanh san » thanh san, khach san, thanh son

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