Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
sang tao » hang tai
va tieng » va tinh, tu tieng, va thong
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
va cham » va chat, va tham
va hanh » van hanh, va thanh, va danh
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 tao)) hoi. hieu va cham soc va hanh vi ((va tieng) or (co truyen))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach thu ((nang xa) OR (sang tao)) hoi. hieu va cham soc va hanh vi ((va tieng) OR (co truyen)).
• Adding a wildcard symbol may retrieve word variants: su sach thu ((nang xa) or (sang tao)) hoi. hieu va cham soc va hanh vi ((va tieng) or (co truyen))*.