Perhaps you should try some spelling variations:
han thai » ban thai, van thai, than thoai
su sach » so sach, vu sach
han tai » hang tai, nhan tai, van tai
xuc van » duc van, luc van, vuc van
vu cham » va cham, vu kham, tu cham
ve cham » va cham, ve chat, ve chim
nang xa » nang x, lang xa, nang ma
y nang » ky nang, ly nang, v nang
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 sach y nang xa hoi. hieu ((ve cham) or (vu cham)) xuc van ((han thai) OR (han tai)) va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang xa hoi. hieu ((ve cham) OR (vu cham)) xuc van ((han thai) OR (han tai)) va thiet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang xa hoi. hieu ((ve cham) or (vu cham)) xuc van ((han thai) OR (han tai)) va thiet".
• Adding a wildcard symbol may retrieve word variants: su sach y nang xa hoi. hieu ((ve cham) or (vu cham)) xuc van ((han thai) OR (han tai)) va thiet*.