Perhaps you should try some spelling variations:
khong thong » thong thong, khong trong, thong thuong
theo chieu » theo tieu, ho chieu, theo chu
tranh cua » doanh cua, manh cua
cua khong » hua khong, cua phuong, cua thuong
chan cac » phan cac, nhan cach, thanh cac
chon cac » cho cac, thong cac, hoc cac

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((theo chieu) or (toc thieu)) xanh - canh tranh cua khong thong quan ((chan cac) OR (chon cac))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((theo chieu) OR (toc thieu)) xanh - canh tranh cua khong thong quan ((chan cac) OR (chon cac)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((theo chieu) or (toc thieu)) xanh - canh tranh cua khong thong quan ((chan cac) OR (chon cac))".
• Adding a wildcard symbol may retrieve word variants: ((theo chieu) or (toc thieu)) xanh - canh tranh cua khong thong quan ((chan cac) OR (chon cac))*.