Perhaps you should try some spelling variations:
thanh thinh » thanh tinh, thanh thanh, thanh trinh
thieu xanh » chieu xanh, hieu manh, thien anh
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
cong thanh » dong thanh, cong trinh, cong tan
thinh chat » tinh chat, trinh chat, thinh phat
tinh dinh » trinh dinh, tinh ninh, tinh binh
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 sach)) - tinh dinh va nhung cong thanh thinh chat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((thieu xanh) OR (chieu sach)) - tinh dinh va nhung cong thanh thinh chat*.