Perhaps you should try some spelling variations:
hanh sinh » hanh tinh, hanh dinh, hinh sinh
dang xay » dang van, van xay
hieu van » hieu va, thien van, lieu va
sinh cua » manh cua, dinh cuu, sinh va
te sach » toc sach
ky dang » ky nang, ky danh
xay hoi » xa hoi, tay hoi, cay phoi
van cac » van hac, van cau, van bac
sach ky » sac ky, sach y, sach ty
xuc va » duc va, luc va, xac va
tuc va » thuc va, truc va, tuc xa
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: te sach ky dang xay hoi. hieu van cac ((((xuc va) OR (tuc va))) or (thuc vat)) hanh sinh cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky dang xay hoi. hieu van cac ((((xuc va) OR (tuc va))) OR (thuc vat)) hanh sinh cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky dang xay hoi. hieu van cac ((((xuc va) OR (tuc va))) or (thuc vat)) hanh sinh cua te".
• Adding a wildcard symbol may retrieve word variants: te sach ky dang xay hoi. hieu van cac ((((xuc va) OR (tuc va))) or (thuc vat)) hanh sinh cua te*.