Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
tay lang » tay tang, tay quang, tham lang
tai lang » tai cong, thi lan, tai san
va doan » va doanh, van doan, va dan
vu cham » va cham, vu kham, tu cham
tu sach » thu sach, su sach, te sach
ve cham » va cham, ve chat, ve chim
tuc va » thuc va, truc va, tuc xa
va cua » va chua, via cua, ca cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach ((tay lang) OR (tai lang)) xa hoi. hieu ((ve cham) or (vu cham)) tuc va doan va cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((tay lang) OR (tai lang)) xa hoi. hieu ((ve cham) OR (vu cham)) tuc va doan va cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ((tay lang) OR (tai lang)) xa hoi. hieu ((ve cham) or (vu cham)) tuc va doan va cua triet*".