Perhaps you should try some spelling variations:
hanh thai » nhanh thai, hinh thai, hanh tai
van hanh » van thanh, ban hanh, van anh
thai cua » than cua, tai cuc, tri cua
tang xa » trang xa, tang ma, lang xa
ky tang » ky nang, ky dang, kho tang
hieu va » lieu va, hieu qua
cam duc » cam xuc, cao duc, pham duc
duc van » duc va, duc tan, duc manh
cua tre » cua te, cuu tre, cua triet
su sai » su hai, su dai, su mai
su tai » su thi, tu tai
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sai) OR (su tai)) ky tang xa hoi. hieu va cam duc van hanh thai cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sai) OR (su tai)) ky tang xa hoi. hieu va cam duc van hanh thai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((su sai) OR (su tai)) ky tang xa hoi. hieu va cam duc van hanh thai cua tre*.