Perhaps you should try some spelling variations:
cau tren » dau tren, ca tren, cau treo
nam thuc » nam thuoc, am thuc, nam thu
dang tay » dang xay, dung tay, dan tay
va hanh » van hanh, va thanh, va danh
thuc va » thuc vat, thuc dan, thuc day
sach ky » sac ky, sach y, sach kem
hieu va » lieu va, hieu qua
tay hoi » tay ho, tao hoi, tay thai
sach ty » sach y, sach tu, sach thu
cu tren » tu tren, dua tren
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: thuoc ((sach ky) or (sach ty)) dang tay hoi. hieu va nam thuc va hanh vi ((cau tren) or (cu tren))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thuoc ((sach ky) OR (sach ty)) dang tay hoi. hieu va nam thuc va hanh vi ((cau tren) OR (cu tren)).
• Adding a wildcard symbol may retrieve word variants: thuoc ((sach ky) or (sach ty)) dang tay hoi. hieu va nam thuc va hanh vi ((cau tren) or (cu tren))*.