Perhaps you should try some spelling variations:
sach tay » xach tay, sach hay, sach nay
tay tang » tay lang, tay trung, tay quang
tang van » dang van, hoang van, trong van
vu sach » vu bach, su sach, vu khach
van hoi » van hoa, van hoc, van hoe
hieu va » lieu va
xuc va » tuc va, luc va, xac va
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach tay tang van hoi. ((hieu va) or (hieu qua)) cham ((xuc va) or (duc va)) hanh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach tay tang van hoi. ((hieu va) OR (hieu qua)) cham ((xuc va) OR (duc va)) hanh vi cua te.
• Adding a wildcard symbol may retrieve word variants: vu sach tay tang van hoi. ((hieu va) or (hieu qua)) cham ((xuc va) or (duc va)) hanh vi cua te*.