Perhaps you should try some spelling variations:
te sach » toc sach
va danh » va dinh, va dan, dia danh
va hanh » van hanh, va thanh, ban hanh
hieu va » lieu va, hieu qua
nang ma » tang ma, sang ma, nang cao
nang xa » nang x, lang xa, mang xa
sach v » sach va, sach y, sach 2
va cam » va cham, va cac, va cao
di cua » dai cua, doi cua, de cua
cua te » cua tu

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