Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
hanh mang » nhanh mang, hanh trang, nhanh lang
chu manh » ho manh, chu van, thu minh
mang cua » manh cua, dung cua, ban cua
cong tan » cong tac, cong san, cong thanh
toan tai » doanh tai, toan ban, toan cao
toan tap » toan ban
chu han » chu van

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chu manh) OR (chu han)) - hanh mang cua thong cong tan ((toan tai) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chu manh) OR (chu han)) - hanh mang cua thong cong tan ((toan tai) or (toan tap))~".
• Adding a wildcard symbol may retrieve word variants: theo ((chu manh) OR (chu han)) - hanh mang cua thong cong tan ((toan tai) or (toan tap))*.