Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hanh nhan » thanh nhan, danh nhan, anh nhan
cua thong » cua thuong, cua khong, cua tong
chi danh » chi dan, chi anh, chi dinh
hanh han » hanh phan, hanh san, anh han
cong tac » cong ty
chan cap » than cap, cao cap, phan cac
khan cap » khan ap, than cap, khoan cam
doi chi » doi khi

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi chi danh - ((hanh han) OR (hanh nhan)) cua thong cong tac ((chan cap) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chi danh - ((hanh han) OR (hanh nhan)) cua thong cong tac ((chan cap) OR (khan cap)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chi danh - ((hanh han) OR (hanh nhan)) cua thong cong tac ((chan cap) or (khan cap))".
• Adding a wildcard symbol may retrieve word variants: doi chi danh - ((hanh han) OR (hanh nhan)) cua thong cong tac ((chan cap) or (khan cap))*.