Perhaps you should try some spelling variations:
te sach » toc sach
va danh » va dinh, va dan, dia danh
nang xa » nang x, nang ma, mang xa
sai cua » dai cua, hai cua, lai cua
lang xa » lang ha, dang xay, lang van
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
va hanh » van hanh, va thanh, ban hanh
ve cam » ve cham, ve cac, va cam
cua cu » cua chu, cua cau, cua su

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 ky ((nang xa) OR (lang xa)) hoi. hieu ve cam xuc ((va danh) or (va hanh)) sai cua cu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky ((nang xa) OR (lang xa)) hoi. hieu ve cam xuc ((va danh) OR (va hanh)) sai cua cu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky ((nang xa) OR (lang xa)) hoi. hieu ve cam xuc ((va danh) or (va hanh)) sai cua cu".
• Adding a wildcard symbol may retrieve word variants: te sach ky ((nang xa) OR (lang xa)) hoi. hieu ve cam xuc ((va danh) or (va hanh)) sai cua cu*.