Perhaps you should try some spelling variations:
hanh tai » thanh tai, hang tai, han tai
van hanh » van thanh, ban hanh, van anh
cua tre » cua te, cuu tre, cua triet
tai cua » thai cua, tai cuc, tri cua
duc van » duc va, duc tan, duc manh
cam duc » cam xuc, cao duc, pham duc
hieu va » lieu va
tang ma » mang may, tang van
hieu ve » hieu van
ky tang » ky nang, ky dang, kho tang
sac ky » cac ky, sai ky
ma hoi » mai hoi, xa hoi, ma hoa
su sac » su sach, su cac, su xac

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