Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
sach ky » sac ky, sach y, sach ty
te sach » toc sach
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
ve cham » va cham, ve chat, vu cham
ve cam » ve cac, va cam, ve cai
dan di » danh di, dan da, dan li
dan de » dan den, dang de, van de

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 lang xa hoi. hieu ((ve cam) or (ve cham)) duc va ((dan di) OR (dan de)) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky lang xa hoi. hieu ((ve cam) OR (ve cham)) duc va ((dan di) OR (dan de)) cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky lang xa hoi. hieu ((ve cam) or (ve cham)) duc va ((dan di) OR (dan de)) cua triet".
• Adding a wildcard symbol may retrieve word variants: te sach ky lang xa hoi. hieu ((ve cam) or (ve cham)) duc va ((dan di) OR (dan de)) cua triet*.