Perhaps you should try some spelling variations:
nang doc » nang luc
va doanh » van doanh, vay doanh, va danh
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
doc loi » duc loi
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va
cua tu » cua tuc, cua su, cua cu

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 nang doc loi. lieu va cam xuc va doanh tai ((cua te) OR (cua tu))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang doc loi. lieu va cam xuc va doanh tai ((cua te) OR (cua tu))".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang doc loi. lieu va cam xuc va doanh tai ((cua te) OR (cua tu))*.