Perhaps you should try some spelling variations:
thanh van » thanh san, thanh toan, thanh phan
ve triet » va trien, su triet
sach thu » sach thue, sach thieu, sach tham
thanh va » hanh va, thanh ha, thanh ve
sach ty » sach y, sach tu, xach tay
hieu ve » hieu va, hieu van
nang xa » nang x, lang xa, nang ma
xuc va » duc va, tuc va, luc 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: tu ((sach ty) or (sach thu)) nang xa hoi. hieu ve cam xuc va ((thanh va) OR (thanh van)) ve triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach thu)) nang xa hoi. hieu ve cam xuc va ((thanh va) OR (thanh van)) ve triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) or (sach thu)) nang xa hoi. hieu ve cam xuc va ((thanh va) OR (thanh van)) ve triet*".