Perhaps you should try some spelling variations:
hanh hai » thanh hai, nhanh hai, hang hai
te sach » toc sach
hai cua » thai cua, dai cua, hoi cua
thuc va » thuc vat, thuc dan, thuc day
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao
luc va » duc va, tuc va, loc 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 y ((nang xa) OR (nang ma)) hoi. lieu va cam ((luc va) or (thuc va)) hanh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y ((nang xa) OR (nang ma)) hoi. lieu va cam ((luc va) OR (thuc va)) hanh hai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y ((nang xa) OR (nang ma)) hoi. lieu va cam ((luc va) or (thuc va)) hanh hai cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach y ((nang xa) OR (nang ma)) hoi. lieu va cam ((luc va) or (thuc va)) hanh hai cua tre*.