Perhaps you should try some spelling variations:
kinh thai » sinh thai, tinh thai, hinh thai
lang van » tang van, hoang van, giang van
thai cua » than cua, tai cuc, tri cua
dang van » hoang van, hang va
so sach » so sanh, bo sach, co sach
ve cham » va cham, ve chat, vu cham
va kinh » va tinh, qua kinh
cua tre » cua te, cuu tre, cua triet
ve cam » ve cac, va cam, ve cai
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach y ((lang van) or (dang van)) hoi. hieu ((ve cam) OR (ve cham)) tuc va kinh thai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach y ((lang van) OR (dang van)) hoi. hieu ((ve cam) OR (ve cham)) tuc va kinh thai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach y ((lang van) or (dang van)) hoi. hieu ((ve cam) OR (ve cham)) tuc va kinh thai cua tre*".