Perhaps you should try some spelling variations:
thuc van » thuc vat, thuc dan, thuc va
dang tay » dang xay, dung tay, dan tay
hieu va » lieu va, hieu qua
duc van » duc va, duc tan, duc manh
cua tre » cua te, cuu tre, cua triet
tay hoi » tay ho, tao hoi, tay thai
ky dang » ky nang, ky danh
tu sanh » tu hanh, tu manh, tu anh
va cam » va cham, va cac, va cao
vi cua » vai cua, di cua
tu san » thu san, tu ban, tu can

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((tu san) or (tu sanh)) ky dang tay hoi. hieu va cam ((thuc van) or (duc van)) hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu san) OR (tu sanh)) ky dang tay hoi. hieu va cam ((thuc van) OR (duc van)) hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: ((tu san) or (tu sanh)) ky dang tay hoi. hieu va cam ((thuc van) or (duc van)) hanh vi cua tre*.