Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
hoc thieu » toc thieu, hoc hien
san thanh » ban thanh, van thanh, son thanh
thanh chu » thanh chau, thanh cha, thanh thu
ho chieu » theo chieu, doi chieu, mot chieu
tung cua » trung cua, tuong cua, tang cua
dung cua » dung luan, dung cho
cong san » cong tac

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)) xanh - manh ((tung cua) OR (dung cua)) thuong cong san thanh chu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (hoc thieu)) xanh - manh ((tung cua) OR (dung cua)) thuong cong san thanh chu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((ho chieu) or (hoc thieu)) xanh - manh ((tung cua) OR (dung cua)) thuong cong san thanh chu".
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (hoc thieu)) xanh - manh ((tung cua) OR (dung cua)) thuong cong san thanh chu*.