Perhaps you should try some spelling variations:
hanh tranh » canh tranh, hanh trinh, hanh trang
thong cong » trong cong, tong cong, thong thong
doi chieu » doi chi, ho chieu, mot chieu
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
cong dung » cuong dung, cong dong, cong luong
doc hieu » hoc thieu, hoc hien
dung van » duong van, dung va, dang van

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((doi chieu) or (((doc hieu) OR (toc thieu)))) xanh - hanh tranh cua thong cong dung van ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((doi chieu) OR (((doc hieu) OR (toc thieu)))) xanh - hanh tranh cua thong cong dung van ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((doi chieu) or (((doc hieu) OR (toc thieu)))) xanh - hanh tranh cua thong cong dung van ban".
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (((doc hieu) OR (toc thieu)))) xanh - hanh tranh cua thong cong dung van ban*.