Perhaps you should try some spelling variations:
sang tai » hang tai, sang tao, tang tai
su sach » so sach, vu sach
tai hai » thi hai, dai hai, tai ha
hieu ve » hieu va, hieu van
danh vi » hanh vi, dinh vi, danh di
ve cac » va cac, vien cac
xuc va » tuc va, luc va, xac va
vi cua » vai cua, di cua
cua tu » cua tuc, cua su, cua cu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach _ sang tai hai. hieu ve cac ((xuc va) or (duc va)) danh vi cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach _ sang tai hai. hieu ve cac ((xuc va) OR (duc va)) danh vi cua tu.
• Adding a wildcard symbol may retrieve word variants: su sach _ sang tai hai. hieu ve cac ((xuc va) or (duc va)) danh vi cua tu*.