Perhaps you should try some spelling variations:
kho tang » cao tang
van hang » van khang, van hoang, van thang
hang dai » hoang dai, hang tai, hang dau
hieu ve » hieu va, hieu van
cac duc » cac du, cao duc, cac dac
duc van » duc va, duc tan, duc manh
cua tre » cua te, cuu tre, cua triet
su sac » su sach, su cac, su xac
ma hoi » mai hoi, xa hoi, ma hoa
ve cac » va cac, vien cac

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