Perhaps you should try some spelling variations:
nhanh thai » nhanh thi, nhanh thanh, nhanh thang
thai cua » than cua, tai cuc, tri cua
va nhanh » va thanh, va hanh, va nhan
kho tang » cao tang
cua tre » cua te, cuu tre, cua triet
cam duc » cam xuc, cao duc, pham duc
hieu va » lieu va, hieu qua
tang xa » trang xa, tang ma, lang xa
va cam » va cham, va cac, va cao
su tai » su thi, tu tai
su dai » sau dai, si dai, so dai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((((su dai) OR (su hai))) or (su tai)) kho tang xa hoi. hieu va cam duc va nhanh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((((su dai) OR (su hai))) OR (su tai)) kho tang xa hoi. hieu va cam duc va nhanh thai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((su dai) OR (su hai))) or (su tai)) kho tang xa hoi. hieu va cam duc va nhanh thai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((((su dai) OR (su hai))) or (su tai)) kho tang xa hoi. hieu va cam duc va nhanh thai cua tre*.