Perhaps you should try some spelling variations:
sang tao » hang tai
su sach » so sach
danh vi » hanh vi, dinh vi, danh di
va danh » va dinh, va dan, va hanh
cam duc » cam xuc, cao duc, pham duc
hieu va » lieu va, hieu qua
hieu ve » hieu van
tao hai » tao dai, tao tai, tai hai
ky sang » ky nang, ky dang, ky tang
vu sach » vu bach, vu khach
vi cua » vai cua, di 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: ((su sach) or (vu sach)) ky sang tao hai. ((hieu ve) or (hieu va)) cam duc va danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) ky sang tao hai. ((hieu ve) OR (hieu va)) cam duc va danh vi cua te.
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (vu sach)) ky sang tao hai. ((hieu ve) or (hieu va)) cam duc va danh vi cua te*.