Perhaps you should try some spelling variations:
hanh vinh » thanh vinh, khanh vinh, hanh tinh
thuc day » thuc dan, thuc vat
vinh cua » sinh cua, tinh cua, dinh cua
te sach » toc sach
truc va » thuc vat, trung va
cua tre » cua te, cuu tre, cua triet
sach ky » sac ky, sach y, sach ty
thuc va » thuc vat, thuc dan
va cham » va chat, va tham
hieu va » lieu va, hieu qua
nang co » nang cao, nang doc, nang noi
co hoi » co hoc, co loi

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 nang co hoi. hieu va cham ((((thuc va) OR (thuc day))) or (truc va)) hanh vinh cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky nang co hoi. hieu va cham ((((thuc va) OR (thuc day))) OR (truc va)) hanh vinh cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky nang co hoi. hieu va cham ((((thuc va) OR (thuc day))) or (truc va)) hanh vinh cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach ky nang co hoi. hieu va cham ((((thuc va) OR (thuc day))) or (truc va)) hanh vinh cua tre*.