Perhaps you should try some spelling variations:
cham luoc » cham soc, khai luoc, kham cuoc
luoc van » luoc can, luoc va, luc van
van hanh » van thanh, ban hanh, van anh
dua tren » dung tren
sach ky » sac ky, sach y, sach kem
sach ty » sach y, sach tu, sach thu
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
cua te » cua tu
x hoi » xa hoi, o hoi, x ho
kem » kiem

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 ky) or (sach ty)) nang x hoi. hieu ve cham luoc van hanh kem ((dua tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sach ty)) nang x hoi. hieu ve cham luoc van hanh kem ((dua tren) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) or (sach ty)) nang x hoi. hieu ve cham luoc van hanh kem ((dua tren) or (cua te))*.