Perhaps you should try some spelling variations:
doan van » doan va, hoang van, luan van
van doan » van doanh, van toan, van hoan
tu sach » thu sach, su sach, tu cach
ve chat » va chat, van chat
van cua » vang cua, ban cua, dan cua
luu van » cuu van, luan van, luu hanh
cua tre » cua te, cuu tre, cua triet
ve cham » va cham, vu cham, ve chim
nang xa » nang x, lang xa, nang ma
te sach » toc sach
y nang » ky nang, ly nang, v nang

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) or (te sach)) y nang xa hoi. hieu ((ve cham) OR (ve chat)) luu van doan van cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) y nang xa hoi. hieu ((ve cham) OR (ve chat)) luu van doan van cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) y nang xa hoi. hieu ((ve cham) OR (ve chat)) luu van doan van cua tre*".