Perhaps you should try some spelling variations:
thanh di » thanh doi, thanh de, thanh do
qua cam » qua cham, qua cac, qua ca
sach v » sach va, sach y, sach vay
sach 2 » sach y
luc va » duc va, tuc va, loc va
di cua » dai cua, doi cua, de cua
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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) OR (sach 2)) nang x hoi. hieu qua cam ((luc va) or (tuc xa)) thanh di cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach v) OR (sach 2)) nang x hoi. hieu qua cam ((luc va) OR (tuc xa)) thanh di cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach v) OR (sach 2)) nang x hoi. hieu qua cam ((luc va) or (tuc xa)) thanh di cua te".
• Adding a wildcard symbol may retrieve word variants: te ((sach v) OR (sach 2)) nang x hoi. hieu qua cam ((luc va) or (tuc xa)) thanh di cua te*.