Perhaps you should try some spelling variations:
han thai » han tai, ban thai, van thai
va thieu » va thiet, va hieu, va tieu
vu sach » vu bach, su sach, vu khach
nang xa » nang x, lang xa, nang ma
va cham » va chat, va tham
vu cham » vu kham, tu cham, qua cham
thai va » thai van
sach v » sach va, sach y, sach 2
v nang » va nang, vu nang, van nang
xuc va » duc va, tuc va, luc va
va han » va phan, van han, va hanh

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 v nang xa hoi. hieu ((va cham) or (vu cham)) xuc va han thai va thieu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach v nang xa hoi. hieu ((va cham) OR (vu cham)) xuc va han thai va thieu.
• Adding a wildcard symbol may retrieve word variants: vu sach v nang xa hoi. hieu ((va cham) or (vu cham)) xuc va han thai va thieu*.