Perhaps you should try some spelling variations:
hanh vai » hanh va, hanh tai, hanh van
tham xuc » tham nuoc, tham thuc, pham duc
te sach » toc sach
va tham » van tham, va cham, va thanh
sach ky » sac ky, sach y, sach ty
hieu va » lieu va, hieu qua
sang ma » tang ma, sang tao, mang may
nang ma » tang ma, nang cao, mang may
xuc va » duc va, tuc va, luc 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: te sach ky ((nang ma) OR (sang ma)) hoi. hieu va tham xuc va ((hanh vai) or (hanh vi)) va thiet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((nang ma) OR (sang ma)) hoi. hieu va tham xuc va ((hanh vai) OR (hanh vi)) va thiet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky ((nang ma) OR (sang ma)) hoi. hieu va tham xuc va ((hanh vai) or (hanh vi)) va thiet".
• Adding a wildcard symbol may retrieve word variants: te sach ky ((nang ma) OR (sang ma)) hoi. hieu va tham xuc va ((hanh vai) or (hanh vi)) va thiet*.