Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
cong luan » tong luan, cong tuan, dong luan
luan phan » luan van, luan hoan
ho chieu » theo chieu, hoc thieu, doi chieu
chao chu » cho chu, cua chu, cao cho
tranh va » tranh van, trinh va, thanh va
trang va » tran van, hang va

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 (chao chu)) xanh - canh ((tranh va) OR (trang va)) thuong cong luan phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (chao chu)) xanh - canh ((tranh va) OR (trang va)) thuong cong luan phan tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (chao chu)) xanh - canh ((tranh va) OR (trang va)) thuong cong luan phan tu".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (chao chu)) xanh - canh ((tranh va) OR (trang va)) thuong cong luan phan tu*.