Perhaps you should try some spelling variations:
thanh lai » thanh hai, thanh lap, thanh loi
dua tren » dung tren
va thanh » gia thanh, ban thanh, va tinh
nang dai » nang dau, nang tai, lang dai
cham duc » pham duc, cham soc, pham duy
ve cham » va cham, ve chat, vu cham
hieu ve » hieu va, hieu van
sach ty » sach y, sach thu, xach tay
dai hoi » dai hoc, dai hai, dai moi
sach tu » sach thu, cach tu, sach uu
cuu tre » cua tre, cau tren, cau treo

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 ty) OR (sach tu)) nang dai hoi. hieu ve cham duc va thanh lai ((dua tren) or (cuu tre))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sach ty) OR (sach tu)) nang dai hoi. hieu ve cham duc va thanh lai ((dua tren) OR (cuu tre)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "te ((sach ty) OR (sach tu)) nang dai hoi. hieu ve cham duc va thanh lai ((dua tren) or (cuu tre))".
• Adding a wildcard symbol may retrieve word variants: te ((sach ty) OR (sach tu)) nang dai hoi. hieu ve cham duc va thanh lai ((dua tren) or (cuu tre))*.