Perhaps you should try some spelling variations:
cham luoc » cham soc, khai luoc, kham cuoc
vu sach » vu bach, su sach, vu khach
va hanh » van hanh, va thanh, va danh
luoc va » nuoc va, duoc va, loc va
va cham » va chat, va tham
nang ma » tang ma, sang ma, nang cao
mang xa » lang xa, mang may, dang xay
oi su » ki su, vi su

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 y ((mang xa) or (nang ma)) hoi. lieu va cham luoc va hanh ((oi su) or (va su)) viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach y ((mang xa) OR (nang ma)) hoi. lieu va cham luoc va hanh ((oi su) OR (va su)) viet.
• Adding a wildcard symbol may retrieve word variants: vu sach y ((mang xa) or (nang ma)) hoi. lieu va cham luoc va hanh ((oi su) or (va su)) viet*.