Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
theo chieu » theo tieu, ho chieu, thi chieu
tranh cua » doanh cua
theo chu » cho chu, chao chu, theo yeu
manh cua » doanh cua, ban cua
cong tac » cong ty
tac tran » tan tran, tac trai, tac tren
tran van » luan 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 (theo chu)) xanh - hanh ((tranh cua) or (manh cua)) thuong cong tac tran van~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (theo chu)) xanh - hanh ((tranh cua) OR (manh cua)) thuong cong tac tran van.
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (theo chu)) xanh - hanh ((tranh cua) or (manh cua)) thuong cong tac tran van*.