Perhaps you should try some spelling variations:
va truyen » hoa truyen, co truyen, di truyen
va trien » va thiet, va tuyen, va tieng
sach thu » sach thue, sach thieu, sach tham
va hanh » van hanh, va thanh, va danh
ve cham » va cham, ve chat, vu cham
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
sang ma » tang ma, nang ma, sang tao
hieu ve » hieu va, hieu van
soc va » hoc va, loc va, doc va

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 cham soc va hanh vi ((va trien) or (va truyen))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach thu ((nang xa) OR (sang ma)) hoi. hieu ve cham soc va hanh vi ((va trien) OR (va truyen)).
• Adding a wildcard symbol may retrieve word variants: su sach thu ((nang xa) or (sang ma)) hoi. hieu ve cham soc va hanh vi ((va trien) or (va truyen))*.