Perhaps you should try some spelling variations:
thanh di » thanh doi, thanh de, thanh do
te sach » toc sach
qua cac » cua cac
qua cam » qua cham, qua ca, qua cai
sach 2 » sach y
luc va » duc va, tuc va, loc va
2 nang » v nang
di cua » dai cua, doi cua, de cua
cua tu » cua tuc, cua su, cua cu
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 2 nang x hoi. hieu ((qua cam) OR (qua cac)) ((luc va) or (tuc xa)) thanh di cua tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach 2 nang x hoi. hieu ((qua cam) OR (qua cac)) ((luc va) OR (tuc xa)) thanh di cua tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach 2 nang x hoi. hieu ((qua cam) OR (qua cac)) ((luc va) or (tuc xa)) thanh di cua tu".
• Adding a wildcard symbol may retrieve word variants: te sach 2 nang x hoi. hieu ((qua cam) OR (qua cac)) ((luc va) or (tuc xa)) thanh di cua tu*.