Perhaps you should try some spelling variations:
thuc tien » thuc hien
thanh tai » thanh hai, thanh toan, doanh tai
hanh tai » hang tai, han tai, hinh tai
xuc van » duc van, luc van, vuc van
tu sach » thu sach, su sach, te sach
y hang » ly hang, ty hang, yu hang
ve cac » vien cac
va hoa » van hoa, va hoc, ma hoa

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach y hang va hoa. hieu ((ve cac) or (va cac)) xuc van ((hanh tai) OR (thanh tai)) thuc tien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach y hang va hoa. hieu ((ve cac) OR (va cac)) xuc van ((hanh tai) OR (thanh tai)) thuc tien.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach y hang va hoa. hieu ((ve cac) or (va cac)) xuc van ((hanh tai) OR (thanh tai)) thuc tien".
• Adding a wildcard symbol may retrieve word variants: tu sach y hang va hoa. hieu ((ve cac) or (va cac)) xuc van ((hanh tai) OR (thanh tai)) thuc tien*.