Perhaps you should try some spelling variations:
thuong cong » thong cong, thuong con, thuong dong
tang luan » dung luan
chu manh » ho manh, chu van, thu minh
tang cua » mang cua, hang cua, thong cua
cong dan » cong san, cong tan, huong dan
dan chan » dan gian, dan ca, van chat
chan cap » khan cap, than cap, cao cap
chu han » chu 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 ((chu manh) OR (chu han)) - hanh ((tang cua) or (tang luan)) thuong cong dan chan cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu manh) OR (chu han)) - hanh ((tang cua) OR (tang luan)) thuong cong dan chan cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu manh) OR (chu han)) - hanh ((tang cua) or (tang luan)) thuong cong dan chan cap".
• Adding a wildcard symbol may retrieve word variants: theo ((chu manh) OR (chu han)) - hanh ((tang cua) or (tang luan)) thuong cong dan chan cap*.