Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
phan dau » phan tu, hang dau
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) or (doc hieu)) tinh - canh tranh cua thong cong dan ((phan dau) or (khan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chi) OR (doc hieu)) tinh - canh tranh cua thong cong dan ((phan dau) OR (khan cap)).
• Adding a wildcard symbol may retrieve word variants: ((doi chi) or (doc hieu)) tinh - canh tranh cua thong cong dan ((phan dau) or (khan cap))*.