Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
sach ky » sac ky, sach ty, sach kem
lang xa » lang ha, dang xay, lang van
van cam » van nam, van lam, van cau
xuc ban » duc ban, cuc ban, quoc ban
dua ban » dia ban, cua ban, qua ban
cuu tre » cua tre, cau tren, cau treo
vi cuu » vi luu, vinh cuu

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) OR (sach y)) lang xa hoi. hieu van cam ((xuc ban) or (dua ban)) hanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ky) OR (sach y)) lang xa hoi. hieu van cam ((xuc ban) OR (dua ban)) hanh vi cuu tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ky) OR (sach y)) lang xa hoi. hieu van cam ((xuc ban) or (dua ban)) hanh vi cuu tre".
• Adding a wildcard symbol may retrieve word variants: te ((sach ky) OR (sach y)) lang xa hoi. hieu van cam ((xuc ban) or (dua ban)) hanh vi cuu tre*.