Perhaps you should try some spelling variations:
thieu xanh » chieu xanh, hieu manh, thien anh
chieu sang » chieu sach, chieu xanh, hieu lang
thong cong » trong cong, tong cong, thong thong
thanh chap » tranh chap, thanh cha, thanh cham
tinh dinh » trinh dinh, tinh ninh, tinh binh
tap thanh » lap thanh, tap tranh, tp thanh
va thong » va thuong, va phuong, he thong
cong tap » cuong tap, cong tac, cong tan
dinh va » dinh van, dinh ve, tinh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((thieu xanh) or (chieu sang)) - tinh dinh va thong cong tap thanh chap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu sang)) - tinh dinh va thong cong tap thanh chap*.