Perhaps you should try some spelling variations:
su triet » su viet, su tien, ve triet
sach han » sach tham, sach danh, sach nang
tang ma » mang may, tang van
sang ma » nang ma, sang tao, mang may
hieu va » lieu va, hieu qua
xuc van » duc van, vuc van, xuc ban
luc van » luoc van, luu van, duc van
so sach » so sanh, bo sach, co sach
va cam » va cham, va cac, va cao
vi su » va su, ve su, ki su

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 han ((sang ma) or (tang ma)) hoi. hieu va cam ((xuc van) or (luc van)) hanh vi su triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach han ((sang ma) OR (tang ma)) hoi. hieu va cam ((xuc van) OR (luc van)) hanh vi su triet.
• Adding a wildcard symbol may retrieve word variants: so sach han ((sang ma) or (tang ma)) hoi. hieu va cam ((xuc van) or (luc van)) hanh vi su triet*.