Perhaps you should try some spelling variations:
nhanh hai » nhanh thai, thanh hai, nhanh ha
van nhanh » van thanh, van hanh, van khanh
kho tang » cao tang
cua tre » cua te, cuu tre, cua triet
hai cua » thai cua, dai cua, hoi cua
tang xa » trang xa, tang ma, lang xa
xuc van » duc van, luc van, vuc van
va cam » va cham, va cac, va cao
su sac » su sach, su cac
su xac » pu xac, su cac
ve cam » ve cham, ve cac, ve cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sac) or (su xac)) kho tang xa hoi. hieu ((ve cam) or (va cam)) xuc van nhanh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sac) OR (su xac)) kho tang xa hoi. hieu ((ve cam) OR (va cam)) xuc van nhanh hai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((su sac) or (su xac)) kho tang xa hoi. hieu ((ve cam) or (va cam)) xuc van nhanh hai cua tre*.