Perhaps you should try some spelling variations:
truc van » truc va, thuc van, truc ban
dau truc » cau truc, dai truc, doan truc
su sach » so sach, vu sach
hanh di » hanh de, hang di, danh di
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cuu tre, cua triet
nang xa » lang xa, nang ma, mang xa
va dau » va dao

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ty ((nang xa) or (nang x)) hoi. lieu va dau truc van ((hanh di) OR (hanh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ty ((nang xa) OR (nang x)) hoi. lieu va dau truc van ((hanh di) OR (hanh vi)) cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ty ((nang xa) or (nang x)) hoi. lieu va dau truc van ((hanh di) OR (hanh vi)) cua tre*".