Perhaps you should try some spelling variations:
thanh tai » thanh hai, thanh toan, doanh tai
van thanh » ban thanh, van tuan
lang van » dang van, tang van, hoang van
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ky lang » ky nang, ky dang, ky tang
hieu va » lieu va, hieu qua
cam luc » cau luc
cuc tre » duc tre, cua tre, cuu tre

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ky lang van hoa. hieu va ((cam luc) OR (cam xuc)) van thanh tai cuc tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky lang van hoa. hieu va ((cam luc) OR (cam xuc)) van thanh tai cuc tre".
• Adding a wildcard symbol may retrieve word variants: tu sach ky lang van hoa. hieu va ((cam luc) OR (cam xuc)) van thanh tai cuc tre*.