Perhaps you should try some spelling variations:
cham luoc » cham soc, khai luoc, kham cuoc
van hanh » van thanh, ban hanh, van ban
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
van anh » van thanh, tuan anh, van minh
lai cua » dai cua, hai cua, thai cua

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 nang xa hoi. lieu va cham luoc ((van hanh) or (van anh)) ((lai cua) OR (lai chau)) triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang xa hoi. lieu va cham luoc ((van hanh) OR (van anh)) ((lai cua) OR (lai chau)) triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky nang xa hoi. lieu va cham luoc ((van hanh) or (van anh)) ((lai cua) OR (lai chau)) triet".
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang xa hoi. lieu va cham luoc ((van hanh) or (van anh)) ((lai cua) OR (lai chau)) triet*.