Perhaps you should try some spelling variations:
ve triet » va trien, su triet
sach thu » sach thue, sach thieu, sach tham
thanh ve » hanh ve, thanh va, thanh vien
thanh vi » hanh vi, thanh va, nhanh vi
cam luc » cam xuc, cau luc
su sach » so sach, vu sach
hieu ve » hieu va, hieu van
sang ma » tang ma, nang ma, sang tao
nang xa » nang x, lang xa, nang ma
luc va » duc va, tuc va, loc va
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach thu ((nang xa) or (sang ma)) hoi. hieu ve cam luc va ((thanh vi) OR (thanh ve)) ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach thu ((nang xa) OR (sang ma)) hoi. hieu ve cam luc va ((thanh vi) OR (thanh ve)) ve triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach thu ((nang xa) or (sang ma)) hoi. hieu ve cam luc va ((thanh vi) OR (thanh ve)) ve triet".
• Adding a wildcard symbol may retrieve word variants: su sach thu ((nang xa) or (sang ma)) hoi. hieu ve cam luc va ((thanh vi) OR (thanh ve)) ve triet*.