Perhaps you should try some spelling variations:
tham xuc » tham nuoc, tham thuc, pham duc
su sach » so sach, vu sach
nang xa » lang xa, nang ma, mang xa
hieu va » lieu va, hieu qua
va tham » van tham, va cham, va thanh
xuc van » duc van, luc van, vuc van
van van » van ban, tan van, san van
van tai » von tai, van tuan
tai va » thai va, mai va, tri va
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) or (nang x)) hoi. hieu va tham xuc van van tai va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y ((nang xa) OR (nang x)) hoi. hieu va tham xuc van van tai va thiet.
• Adding a wildcard symbol may retrieve word variants: su sach y ((nang xa) or (nang x)) hoi. hieu va tham xuc van van tai va thiet*.