Perhaps you should try some spelling variations:
toc sach » hoc sach, doc sach, thuoc sach
lang van » dang van, tang van, hoang van
cham tuc » nham thuc, pham thuc, tham thuc
hieu va » lieu va, hieu qua
va cham » va chat, va tham
y lang » o lang, _ lang, tay lang
tuc va » thuc va, truc va, tuc xa
anh vi » hanh vi, anh ve, anh vu
anh va » hanh va
cua cu » cua chu, cua cau, cua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach y lang van hoa. hieu va cham tuc va ((anh vi) OR (anh va)) cua cu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach y lang van hoa. hieu va cham tuc va ((anh vi) OR (anh va)) cua cu".
• Adding a wildcard symbol may retrieve word variants: toc sach y lang van hoa. hieu va cham tuc va ((anh vi) OR (anh va)) cua cu*.