Perhaps you should try some spelling variations:
sinh cua » manh cua, dinh cuu, sinh va
tinh cua » trinh cua, tinh chat, tranh cua
te sach » toc sach
sach ky » sac ky, sach y, sach ty
ve chat » va chat, van chat
hieu ve » hieu va, hieu van
lang ha » long ha
ky lang » ky nang, ky dang, ky tang
ha hoi » hoa hoi, ha noi, xa hoi
xuc va » duc va, tuc va, luc va

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 lang ha hoi. hieu ve chat ((xuc va) or (thuc vat)) hanh ((tinh cua) OR (sinh cua)) tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang ha hoi. hieu ve chat ((xuc va) OR (thuc vat)) hanh ((tinh cua) OR (sinh cua)) tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky lang ha hoi. hieu ve chat ((xuc va) or (thuc vat)) hanh ((tinh cua) OR (sinh cua)) tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky lang ha hoi. hieu ve chat ((xuc va) or (thuc vat)) hanh ((tinh cua) OR (sinh cua)) tre*.