Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
cham cuu » cap cuu, chat cua
va thanh » gia thanh, ban thanh, va tinh
su sach » so sach, vu sach
cua tre » cuu tre, cua triet, dua tren
ve cham » va cham, ve chat, vu cham
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
dai hoi » dai hoc, dai hai, dai moi
tai hoi » tai khoi, tai hai, tai hoe
cuu va » cuu van, cuu ve
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: su sach ky nang ((tai hoi) OR (dai hoi)). hieu ve cham cuu va thanh lai ((cua tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky nang ((tai hoi) OR (dai hoi)). hieu ve cham cuu va thanh lai ((cua tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky nang ((tai hoi) OR (dai hoi)). hieu ve cham cuu va thanh lai ((cua tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: su sach ky nang ((tai hoi) OR (dai hoi)). hieu ve cham cuu va thanh lai ((cua tre) or (cua te))*.