Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
hieu viec » nhieu viec, hieu ve, sieu viet
viec cac » vien cac, viec cua, viec lam
ban hang » ngan hang
va triet » va thiet, va trien, ve triet
ly nang » ky nang, ly hang, ly vang
cac cac » cac cach, ca cac, cac bac
cac ban » cac dan, cac van, can ban
hang te » hang ke, hang tu, hang ve
y nang » ky nang, v nang, may nang
te va » tu va

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

• Performing a fuzzy search may retrieve terms with similar spellings: thuat sach ((y nang) OR (ly nang)) x ho. hieu viec cac cac ban hang te va triet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thuat sach ((y nang) OR (ly nang)) x ho. hieu viec cac cac ban hang te va triet".
• Adding a wildcard symbol may retrieve word variants: thuat sach ((y nang) OR (ly nang)) x ho. hieu viec cac cac ban hang te va triet*.