Perhaps you should try some spelling variations:
cham loc » cham soc, chon loc, cham o
te sach » toc sach
may hoi » may thoi, tay hoi, mai hoi
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
va hanh » van hanh, va thanh, va danh
dau cua » day cua, cau cua, dan cua
y mang » cay mang
loc va » hoc va, luc 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 mang may hoi. hieu vu cham loc va hanh ((dau cua) or (dai cua)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach y mang may hoi. hieu vu cham loc va hanh ((dau cua) OR (dai cua)) triet.
• Adding a wildcard symbol may retrieve word variants: te sach y mang may hoi. hieu vu cham loc va hanh ((dau cua) or (dai cua)) triet*.