Perhaps you should try some spelling variations:
cham xuc » cam xuc, chat xuc, cham soc
van hanh » van thanh, ban hanh, van anh
sach tu » sach thu, cach tu, sach uu
sach ty » sach y, sach thu, xach tay
nang ma » tang ma, sang ma, nang cao
hieu su » hieu sau, tieu su, hieu so
su cham » su pham, tu cham, vu cham
xuc van » duc van, luc van, vuc van
ma hoi » mai hoi, xa hoi, ma hoa
vi va » vi van, vai va, vu 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: tu ((sach tu) OR (sach ty)) nang ma hoi. hieu su cham xuc van hanh vi va thiet~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach tu) OR (sach ty)) nang ma hoi. hieu su cham xuc van hanh vi va thiet".
• Adding a wildcard symbol may retrieve word variants: tu ((sach tu) OR (sach ty)) nang ma hoi. hieu su cham xuc van hanh vi va thiet*.