Perhaps you should try some spelling variations:
cua thong » cua thuong, cua tong, suat thong
cua khong » hua khong, cua phuong, cua thuong
theo toc » ho toc, thac toc, theo bo
toc sach » hoc sach, doc sach, thuoc sach
anh tang » anh bang, anh dang, anh nang
cong van » cong vang, cong san, song van
van toan » van tuan, van tan, van thanh
toan cao » toan ban, toan tap

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "theo toc sach - anh tang ((cua thong) OR (cua khong)) cong van toan cao~".
• Adding a wildcard symbol may retrieve word variants: theo toc sach - anh tang ((cua thong) OR (cua khong)) cong van toan cao*.