Perhaps you should try some spelling variations:
sach kem » hanh kem
sach ty » sach tu, sach thu, xach tay
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
cac loc » cac lop, cac toc, cac hoc
va hanh » van hanh, va thanh, va danh
ve cac » va cac, vien cac
loc va » hoc va, luc va
vi cua » vai cua, di cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sach kem) or (((sach ty) or (sach y)))) lang xa hoi. hieu ve cac loc va hanh vi cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach kem) OR (((sach ty) OR (sach y)))) lang xa hoi. hieu ve cac loc va hanh vi cua vat.
• Adding a wildcard symbol may retrieve word variants: thu ((sach kem) or (((sach ty) or (sach y)))) lang xa hoi. hieu ve cac loc va hanh vi cua vat*.