Perhaps you should try some spelling variations:
cham vuc » cham soc, pham duc, cham cuu
van nhan » van phan, van thanh, danh nhan
hieu ve » hieu va, hieu van
ve cham » va cham, ve chat, vu cham
van han » van hanh, van phan, van hoan
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
nang o » nang co, nang ho, nang ro
tai va » thai va, mai va, tri va
o hoi » co hoi, o hoc, o hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky nang o hoi. hieu ve cham vuc ((van han) or (van nhan)) tai va (thiet or thieu)~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang o hoi. hieu ve cham vuc ((van han) OR (van nhan)) tai va (thiet OR thieu).
• Adding a wildcard symbol may retrieve word variants: su sac ky nang o hoi. hieu ve cham vuc ((van han) or (van nhan)) tai va (thiet or thieu)*.