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