Perhaps you should try some spelling variations:
dang cap » nang cap, dang ca, dang cac
cap phoi » cap cho
cham duc » pham duc, cham soc, pham duy
ban dang » ban hang, ban dan, van dang
chai cua » chat cua, chi cua, hai cua
thai cua » than cua, tai cuc, tri cua
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
hieu va » lieu va, hieu qua
va cham » va chat, va tham
duc ban » duc tan, duc van, dua ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky dang cap phoi. hieu va cham duc ban dang ((chai cua) or (thai cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky dang cap phoi. hieu va cham duc ban dang ((chai cua) OR (thai cua)) tre.
• Adding a wildcard symbol may retrieve word variants: su sach ky dang cap phoi. hieu va cham duc ban dang ((chai cua) or (thai cua)) tre*.