Perhaps you should try some spelling variations:
hanh lam » thanh lap, hanh kem, hanh va
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
lam cua » nam cua, lam chat
xuc van » duc van, luc van, vuc van
sach tu » sach thu, cach tu, sach ty
cua tre » cua te, cuu tre, cua triet
nang ho » nang hoc, nang co, tang ho
va cam » va cham, va cac, va cao
nang o » nang co, nang ro, nang x
ve cam » ve cham, ve cac, ve cai

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 ((nang o) or (nang ho)) hoi. hieu ((ve cam) OR (va cam)) xuc van hanh lam cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach tu ((nang o) OR (nang ho)) hoi. hieu ((ve cam) OR (va cam)) xuc van hanh lam cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach tu ((nang o) or (nang ho)) hoi. hieu ((ve cam) OR (va cam)) xuc van hanh lam cua tre".
• Adding a wildcard symbol may retrieve word variants: te sach tu ((nang o) or (nang ho)) hoi. hieu ((ve cam) OR (va cam)) xuc van hanh lam cua tre*.