Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
thong cong » trong cong, tong cong, thong thong
chu quang » chat quang
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
cong dan » cong san, cong tan, huong dan
cac tap » cac cap, cac tac, cac tai
ca tap » cua tap, va tap, cp tap

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