Perhaps you should try some spelling variations:
chau triet » cau triet, cua triet, cau trieu
thien van » thi van
hanh lai » hanh lam, hanh tai, thanh lap
sach ty » sach y, sach thu, xach tay
va hanh » van hanh, va thanh, va danh
van cau » van dau, van hau, van chat
lang xa » dang xay, lang van
sach tu » sach thu, cach tu, sach uu
lang ha » long ha
cau tu » dau tu, cau truc

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 ty) OR (sach tu)) ((lang xa) or (lang ha)) hoi. thien van cau tu va hanh lai chau triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach tu)) ((lang xa) OR (lang ha)) hoi. thien van cau tu va hanh lai chau triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) OR (sach tu)) ((lang xa) or (lang ha)) hoi. thien van cau tu va hanh lai chau triet".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) OR (sach tu)) ((lang xa) or (lang ha)) hoi. thien van cau tu va hanh lai chau triet*.