Perhaps you should try some spelling variations:
khong cang » thong cong, hong bang, khong dung
hieu xanh » chieu xanh, hieu manh, hieu nganh
tranh cua » doanh cua
doc hieu » toc thieu, hoc thieu, hoc hien
manh cua » doanh cua, ban cua
cang dan » cong dan, tang dan, canh dan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu xanh - canh ((tranh cua) or (manh cua)) khong cang dan ((toan tap) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu xanh - canh ((tranh cua) OR (manh cua)) khong cang dan ((toan tap) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: doc hieu xanh - canh ((tranh cua) or (manh cua)) khong cang dan ((toan tap) or (toan ban))*.