Perhaps you should try some spelling variations:
cau tren » cu tren, dau tren, ca tren
danh hai » dang hai, lanh hai, manh hai
nam thuc » nam thuoc, am thuc, nam thu
sach ly » sach y, sach lo, sach hay
hai cau » hai chau, hai chu, hai hau
va danh » va dinh, va dan, va hanh
thuc va » thuc vat, thuc dan, thuc day
nang ma » tang ma, sang ma, mang may
sach ty » sach y, sach tu, sach thu
va nam » van nam, ha nam, va nay

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach ly) or (sach ty)) ((nang ma) or (nang cao)) hoi. lieu va nam thuc va danh hai cau tren~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ly) OR (sach ty)) ((nang ma) OR (nang cao)) hoi. lieu va nam thuc va danh hai cau tren.
• Adding a wildcard symbol may retrieve word variants: su ((sach ly) or (sach ty)) ((nang ma) or (nang cao)) hoi. lieu va nam thuc va danh hai cau tren*.