Perhaps you should try some spelling variations:
thong cong » trong cong, thong thong, phong chong
tranh cua » doanh cua, manh cua
tong cong » trong cong, cong cong, dung cong
theo chu » theo chieu, cho chu, chao chu
chu xanh » chu manh, chieu xanh, chua xang
hoa tap » khoa tap, hoc tap, hoa tam
hoa tan » hoa dan, hoa van, hoa tin

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