Perhaps you should try some spelling variations:
te sach » toc sach
danh de » hanh de, dang de, danh di
hieu vu » hieu va, hieu ve, hieu su
vu cham » va cham, vu kham, tu cham
tang ma » mang may, tang van
nang xa » nang x, lang xa, nang ma
sach v » sach va, sach y, sach 2
cham o » cham soc
dan de » dan den, dang de, van de
cua te » cua tu
o va » do va, so va, co va

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