Perhaps you should try some spelling variations:
hanh hai » thanh hai, nhanh hai, hang hai
van hanh » van thanh, ban hanh, van anh
cua tre » cua te, cuu tre, cua triet
hai cua » thai cua, dai cua, hoi cua
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
duc van » duc va, duc tan, duc manh
su sac » su sach, su cac
su xac » pu xac, su cac
ve cam » ve cham, ve cac, va cam

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)) ky tang xa hoi. hieu ((ve cam) or (va cac)) duc van hanh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sac) OR (su xac)) ky tang xa hoi. hieu ((ve cam) OR (va cac)) duc van hanh hai cua tre.
• Adding a wildcard symbol may retrieve word variants: ((su sac) or (su xac)) ky tang xa hoi. hieu ((ve cam) or (va cac)) duc van hanh hai cua tre*.