Perhaps you should try some spelling variations:
nang duoc » ngang duoc, nang doc, nganh duoc
thu sach » tu sach, thuat sach, thuoc sach
chat xuc » chat huu, chao xu, chat cua
cau tren » cu tren, ca tren, cau treo
dau tren » dau tien, dat tren, dau tieng
duoc hoc » quoc hoi
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
va danh » va dinh, va dan, va hanh
danh va » doanh va, hanh va, anh va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky nang duoc hoc. hieu ve ((cam xuc) or (chat xuc)) va danh va ((cau tren) or (dau tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky nang duoc hoc. hieu ve ((cam xuc) OR (chat xuc)) va danh va ((cau tren) OR (dau tren)).
• Adding a wildcard symbol may retrieve word variants: thu sach ky nang duoc hoc. hieu ve ((cam xuc) or (chat xuc)) va danh va ((cau tren) or (dau tren))*.