Perhaps you should try some spelling variations:
lang van » dang van, tang van, hoang van
te sach » toc sach
hanh di » hanh vi, hanh de, hang di
luc van » luoc van, luu van, duc van
xuc van » duc van, xuc ban, thuc van
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam
di cua » dai cua, doi cua, de cua

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 (lang van)) hoi. hieu ve cam ((xuc van) OR (luc van)) hanh di cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((nang ma) OR (lang van)) hoi. hieu ve cam ((xuc van) OR (luc van)) hanh di cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky ((nang ma) or (lang van)) hoi. hieu ve cam ((xuc van) OR (luc van)) hanh di cua tre*".