Perhaps you should try some spelling variations:
thien van » thi van
cac trieu » cac tieu, cau trieu, cac kieu
thu sach » tu sach, thuat sach, thuoc sach
dang xay » dang van, van xay
xay phoi » cay phoi, cap phoi, tay hoi
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
van cam » van nam, van lam, van cau
hanh va » hang va, hanh vi
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky dang xay phoi. thien van cam ((xuc va) OR (tuc va)) hanh va cac trieu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu sach ky dang xay phoi. thien van cam ((xuc va) OR (tuc va)) hanh va cac trieu".
• Adding a wildcard symbol may retrieve word variants: thu sach ky dang xay phoi. thien van cam ((xuc va) OR (tuc va)) hanh va cac trieu*.