Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
cua thuong » cua truong, cua phuong, ca thuong
thi chieu » thi chien, thi hieu, theo chieu
tranh cua » doanh cua, manh cua
ho chieu » theo chieu, hoc thieu, doi chieu
cong tan » cong tac, cong san, cong thanh
tan van » tran van, tang 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: ((hoc hien) or (((thi chieu) or (ho chieu)))) xanh - canh tranh cua thuong cong tan van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hoc hien) OR (((thi chieu) OR (ho chieu)))) xanh - canh tranh cua thuong cong tan van ban.
• Adding a wildcard symbol may retrieve word variants: ((hoc hien) or (((thi chieu) or (ho chieu)))) xanh - canh tranh cua thuong cong tan van ban*.