Perhaps you should try some spelling variations:
thanh vua » thanh va, thanh qua, thanh xuan
tu sach » thu sach, su sach, te sach
vua cua » vua chua, qua cua, lua cua
vu cham » va cham, vu kham, tu cham
hieu vu » hieu va, hieu ve, hieu su
ly nang » ky nang, ly hang, ly vang
y nang » ky nang, v nang, may nang
doc va » duoc va, duc va, loc va
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: tu sach ((y nang) or (ly nang)) xa hoi. hieu vu cham ((doc va) or (hoc va)) thanh vua cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ((y nang) OR (ly nang)) xa hoi. hieu vu cham ((doc va) OR (hoc va)) thanh vua cua te.
• Adding a wildcard symbol may retrieve word variants: tu sach ((y nang) or (ly nang)) xa hoi. hieu vu cham ((doc va) or (hoc va)) thanh vua cua te*.