Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
hanh tang » hanh trang, anh tang, hanh mang
chu manh » ho manh, chu van, thu minh
tang cua » mang cua, hang cua, tang luan
cong san » cong tac
toan tai » toan tap, doanh tai, toan ban
toan cao » toan ban, toan tap
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: cho ((chu manh) OR (chu han)) - hanh tang cua thong cong san ((toan tai) or (toan cao))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: cho ((chu manh) OR (chu han)) - hanh tang cua thong cong san ((toan tai) OR (toan cao)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "cho ((chu manh) OR (chu han)) - hanh tang cua thong cong san ((toan tai) or (toan cao))".
• Adding a wildcard symbol may retrieve word variants: cho ((chu manh) OR (chu han)) - hanh tang cua thong cong san ((toan tai) or (toan cao))*.