Perhaps you should try some spelling variations:
thong cong » trong cong, tong cong, thong thong
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
ho chieu » theo chieu, hoc thieu, doi chieu
doc hieu » toc thieu, hoc thieu, hoc hien
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
toan ban » van ban
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: ((ho chieu) or (((doc hieu) or (doi chi)))) xanh - hanh tranh cua thong cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((ho chieu) OR (((doc hieu) OR (doi chi)))) xanh - hanh tranh cua thong cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: ((ho chieu) or (((doc hieu) or (doi chi)))) xanh - hanh tranh cua thong cong dan toan ban*.