Perhaps you should try some spelling variations:
danh dien » dinh dien, danh kien, danh lien
dien cua » dieu cua, dien cuc, dien cu
hieu so » thieu so
so chat » soat chat, song chat, cao chat
nang xa » nang x, lang xa, nang ma
sach v » sach va, sach y, sach vay
doc va » duoc va, duc va, loc va
sach 2 » sach y
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: toc ((sach v) OR (sach 2)) nang xa hoi. hieu so chat ((doc va) or (hoc va)) danh dien cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc ((sach v) OR (sach 2)) nang xa hoi. hieu so chat ((doc va) OR (hoc va)) danh dien cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((sach v) OR (sach 2)) nang xa hoi. hieu so chat ((doc va) or (hoc va)) danh dien cua te".
• Adding a wildcard symbol may retrieve word variants: toc ((sach v) OR (sach 2)) nang xa hoi. hieu so chat ((doc va) or (hoc va)) danh dien cua te*.