Perhaps you should try some spelling variations:
thu sac » thu sach, thu san, thu xac
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky
ve cai » va cai, ve tai, ve cau
ve cac » va cac, vien cac
tuc va » thuc va, truc va, tuc xa
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: thu sac ky tang xa hoi. hieu ((ve cai) or (ve cac)) tuc va hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sac ky tang xa hoi. hieu ((ve cai) OR (ve cac)) tuc va hanh vi cua tre*.