Perhaps you should try some spelling variations:
canh lay » canh tay, can lay, lanh lay
lay thai » tay thai, luat thai, vay tai
ban hanh » ban hang
ky canh » ky anh, ky cach, ky danh
hieu va » lieu va, hieu qua
cac loc » cac lop, cac toc, cac hoc
va danh » va dinh, va dan, va hanh
cua tre » cua te, cuu tre, cua triet
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu cac ky canh lay thai. hieu va cac loc ((ban hanh) or (va danh)) di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu cac ky canh lay thai. hieu va cac loc ((ban hanh) OR (va danh)) di cua tre.
• Adding a wildcard symbol may retrieve word variants: tu cac ky canh lay thai. hieu va cac loc ((ban hanh) or (va danh)) di cua tre*.