Perhaps you should try some spelling variations:
sach thue » sach thu, sach thieu, sach tham
su triet » su viet, su tien, ve triet
va triet » va thiet, va trien, ve triet
hang doi » hang di, hang loi, huong doi
van hang » van khang, van hoang, van thang
tuc van » thuc van, truc van, tuc va
so sach » so sanh, bo sach, co sach
cam tuc » cam xuc, cam tu, nam thuc
hieu ve » hieu va, hieu van
nang xa » lang xa, nang ma, mang xa
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: so sach thue ((nang xa) OR (nang x)) hoi. hieu ve cam tuc van hang doi ((va triet) or (su triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach thue ((nang xa) OR (nang x)) hoi. hieu ve cam tuc van hang doi ((va triet) OR (su triet))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "so sach thue ((nang xa) OR (nang x)) hoi. hieu ve cam tuc van hang doi ((va triet) or (su triet))*".