Perhaps you should try some spelling variations:
thuat sach » thuat lanh, thuat san
su sach » so sach
vu sach » vu bach, vu khach
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu va » lieu va, hieu qua
va pham » van pham, va phat, va phap
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
di cua » dai cua, doi cua, de cua
cua te » cua tu

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) or (((su sach) or (vu sach)))) ky tang xa hoi. hieu va pham duc va hanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((thuat sach) OR (((su sach) OR (vu sach)))) ky tang xa hoi. hieu va pham duc va hanh di cua te.
• Adding a wildcard symbol may retrieve word variants: ((thuat sach) or (((su sach) or (vu sach)))) ky tang xa hoi. hieu va pham duc va hanh di cua te*.