Perhaps you should try some spelling variations:
lanh hai » manh hai, thanh hai, lang chai
hieu van » hieu va, thien van, lieu va
van cham » van chat, van tham, va cham
cham tuc » nham thuc, pham thuc, tham thuc
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
ky tang » ky nang, ky dang, kho tang
va danh » va dinh, va dan, va hanh
danh vi » hanh vi, dinh vi, danh di
tuc va » thuc va, truc va, tuc xa
vi cua » vai cua, di cua
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky tang ((lanh hai) or (lap tai)). hieu van cham tuc va danh vi cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky tang ((lanh hai) OR (lap tai)). hieu van cham tuc va danh vi cua te.
• Adding a wildcard symbol may retrieve word variants: vu sach ky tang ((lanh hai) or (lap tai)). hieu van cham tuc va danh vi cua te*.