Perhaps you should try some spelling variations:
han thai » han tai, ban thai, van thai
nang xa » nang x, lang xa, nang ma
vu cham » vu kham, tu cham, qua cham
va cham » va chat, va tham
ve chat » va chat, van chat
thai va » thai van
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
va han » va phan, van han, va hanh
thiet » thieu

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 xa hoi. hieu ((((vu cham) or (va cham))) or (ve chat)) duc va han thai va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky nang xa hoi. hieu ((((vu cham) OR (va cham))) OR (ve chat)) duc va han thai va thiet.
• Adding a wildcard symbol may retrieve word variants: su sac ky nang xa hoi. hieu ((((vu cham) or (va cham))) or (ve chat)) duc va han thai va thiet*.