Perhaps you should try some spelling variations:
te sach » toc sach
lang ha » long ha
va hanh » van hanh, va thanh, va danh
lang xa » dang xay, lang van
sach v » sach va, sach y, sach 2
luc va » duc va, tuc va, loc va
vi cua » vai cua, di cua
cua te » cua tu
va co » vo co

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

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