Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
hanh va » hang va, hanh vi
xuc van » duc van, luc van, vuc van
cac xuc » cam xuc, cac nuoc, chat xuc
sach tu » sach thu, cach tu, sach uu
hieu ve » hieu va, hieu van
nang ma » tang ma, sang ma, nang cao
sach ty » sach y, sach thu, xach tay
cua tuc » cua duc, cua thuoc, luat tuc
ma hoi » mai hoi, xa hoi, ma hoa
ve cac » va cac, vien cac
cua tu » cua su, cua cu, cua te

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 tu) or (sach ty)) nang ma hoi. hieu ve cac xuc van hanh va ((cua tu) or (cua tuc))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach tu) OR (sach ty)) nang ma hoi. hieu ve cac xuc van hanh va ((cua tu) OR (cua tuc)).
• Adding a wildcard symbol may retrieve word variants: te ((sach tu) or (sach ty)) nang ma hoi. hieu ve cac xuc van hanh va ((cua tu) or (cua tuc))*.