Perhaps you should try some spelling variations:
thuc van » thuc vat, thuc dan, thuc va
ky tang » ky nang, ky dang, kho tang
tang ha » lang ha, tang ma, trung ha
hieu ve » hieu va, hieu van
duc van » duc va, duc tan, duc manh
cua tre » cua te, cuu tre, cua triet
tu sac » tu sach, tu cac, tu san
sac ky » cac ky, sai ky
ha hoi » hoa hoi, ha noi, xa hoi
ve cam » ve cham, ve cac, va cam
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sac ky tang ha hoi. hieu ve cam ((thuc van) or (duc van)) hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sac ky tang ha hoi. hieu ve cam ((thuc van) OR (duc van)) hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sac ky tang ha hoi. hieu ve cam ((thuc van) or (duc van)) hanh vi cua tre*.