Perhaps you should try some spelling variations:
sang tao » hang tai
van phan » van phong, van thanh, luan phan
phan dau » phan tu, hang dau
tu sach » thu sach, su sach, te sach
ty sang » ty xang, ty hang, duy sang
tao hoi » tao khoi, tao boi, tay hoi
ve cham » va cham, vu cham, ve chim
cua tre » cua te, cuu tre, cua triet
sach ty » sach y, sach tu, sach thu
ve chat » va chat, van chat
cua tu » cua tuc, cua su, cua cu

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 ty sang tao hoi. hieu ((ve cham) OR (ve chat)) cuu van phan dau ((cua tre) or (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ty sang tao hoi. hieu ((ve cham) OR (ve chat)) cuu van phan dau ((cua tre) OR (cua tu))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ty sang tao hoi. hieu ((ve cham) OR (ve chat)) cuu van phan dau ((cua tre) or (cua tu))*".