Perhaps you should try some spelling variations:
hanh hai » thanh hai, nhanh hai, hang hai
quoc ban » quoc bao, quoc lan, quoc quan
cua tre » cua te, cuu tre, cua triet
xuc van » duc van, luc van, xuc ban
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hai cua » thai cua, dai cua, hoi cua
su sac » su sach, su cac, su xac
ve cac » va cac, vien cac
sac ky » cac ky, sai ky
ve cam » ve cham, va cam, 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 ky tang xa hoi. hieu ((ve cam) or (ve cac)) ((xuc van) or (quoc ban)) hanh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky tang xa hoi. hieu ((ve cam) OR (ve cac)) ((xuc van) OR (quoc ban)) hanh hai cua tre.
• Adding a wildcard symbol may retrieve word variants: su sac ky tang xa hoi. hieu ((ve cam) or (ve cac)) ((xuc van) or (quoc ban)) hanh hai cua tre*.