Perhaps you should try some spelling variations:
cang thang » cong thanh, dang thanh
thong cong » trong cong, tong cong, thong thong
hang hang » nang hang, hung thang, lang thang
cua tinh » cua sinh, va tinh, ha tinh
va thong » va thuong, va phuong, he thong
cong dan » cong san, cong tan, huong dan
dan toan » van toan, dan than, manh toan
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: hoc ((cuu tinh) or (cua tinh)) - ((hang hang) or (cang thang)) va thong cong dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((cuu tinh) OR (cua tinh)) - ((hang hang) OR (cang thang)) va thong cong dan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc ((cuu tinh) or (cua tinh)) - ((hang hang) or (cang thang)) va thong cong dan toan ban*.